JebaTech — 300 free browser tools

Compress PDFs and images, convert Word and PDF, generate QR codes, count words and 295 more utilities. Files are processed locally in your browser: no uploads, no accounts. JavaScript is required to run the tools themselves.

Media

Image Compressor — Shrink PNG, JPG and WebP files with a live quality slider and before/after size comparison.
Background Remover — Lift a subject off its background in the browser, with tolerance and feathering you control.
Image Resizer & Crop — Resize and crop images with preset social aspect ratios like 1:1, 16:9 and 4:5.
Image Format Converter — Convert between WebP, PNG, JPG and AVIF in memory, then download with one click.
Image Upscaler — Enlarge an image 2× to 4× with sharp edges.
YouTube Thumbnail Downloader — Grab the max-res and HD thumbnails from any YouTube link or video ID.
Screen Recorder — Record a tab, window or your whole screen to WebM, with optional system or mic audio.
Webcam Recorder — Record video and sound from your camera.
Video Compressor — Shrink a video to a target size or resolution, in your browser.
Video Converter — Convert MOV, MKV and WebM to MP4 or WebM.
Video Trimmer — Cut a clip out of any MP4, WebM or MOV video, right in your browser.
Crop Video — Crop to 9:16, square or any area you drag.
Rotate Video — Turn a sideways video upright — lossless for MP4.
Video Joiner — Merge several clips into one video.
Video to GIF — Turn a short MP4 or WebM clip into an animated GIF, with frame rate and colour control.
Video Speed Changer — Save a video sped up to 4× or slowed to 0.25×.
Video Frame Grabber — Save full-resolution stills and contact sheets.
QR Code Scanner — Read QR codes and barcodes from your camera or a saved image — links shown as text first.
Meme Generator — Add classic top and bottom captions to any image, with wrapping and a heavy outline.
Passport Photo Maker — Crop a portrait to the official size for seven countries and lay out a printable 6x4 sheet.
Image DPI Converter — Set a JPG or PNG to 300 DPI without touching pixels.
Photo Collage Maker — Arrange several photos into a grid, row or feature layout and save the result as one image.
GIF Maker — Build an animated GIF from still images, with frame delay, looping and ping-pong playback.
GIF to MP4 — Turn an animated GIF into a much smaller video.
GIF Compressor — Shrink animated GIFs for Discord, Slack and email.
Image Flip & Rotate — Turn, mirror or straighten a picture — quarter turns stay pixel-for-pixel lossless.
Image Watermark — Add a text or logo watermark with position, size and opacity control.
Dead Pixel Test — Check a screen for dead or stuck pixels and backlight bleed.
Blur Image Tool — Blur or pixelate a photo, or just its centre, to hide faces and details for good.
Image Sharpener — Crisp up soft photos without colour halos.
Black & White Filter — Convert photos to greyscale, sepia or pure monochrome with luminance weighting.
Image Color Picker — Pick colours from any image with a magnifying loupe and copy HEX, RGB or HSL.
Color Palette Extractor — Pull the dominant colours out of any photo as HEX, RGB and HSL codes.
Barcode Generator — Create scannable Code 128 and EAN-13 barcodes with correct check digits, as PNG or SVG.
Webcam Photo Booth — Take snapshots from your camera with live filters, a countdown and a mirror toggle.
Photo to Sketch — Turn a photo into a pencil, charcoal, coloured pencil or ink drawing.
Image Brightness & Contrast — Fix exposure, contrast, shadows, colour and white balance in a photo.
Round Image Corners — Round the corners or crop to a circle, exported as a transparent PNG.
Add Border to Image — Add a border or pad a photo to square without cropping.
Screenshot Beautifier — Frame screenshots on gradients with a window bar.
Image Splitter — Cut an image into grid tiles or strips and download them as a ZIP.
EXIF Stripper — See the camera, timestamp and GPS data in a photo, then save a copy without it.
Video Metadata Viewer — Codec, bitrate, frame rate, date and GPS of a video.
Image to SVG — Convert a PNG or JPG logo, icon or drawing into a scalable vector SVG.
SVG to PNG Converter — Render SVG code or files to crisp high-resolution PNG at any scale factor.
TIFF to PNG — Open multi-page TIFFs and save them as PNG or JPG.
RAW to JPG — Get a JPG out of CR2, NEF, ARW, DNG and other RAWs.
PSD to PNG — View Photoshop files and export the image or layers.
ICO to PNG — Extract every size from an .ico or .cur icon file as PNG.
Image Diff — Compare two images and highlight every pixel that changed.
Image Inverter — Invert colours like a film negative, or invert brightness while keeping the hue.
Selective Colour Inverter — Invert individual RGB channels or swap one colour range for another.
Vignette Studio — Add cinematic vignette shading with saturation, contrast and warmth controls.
Pixel Art Maker — Turn a photo into retro pixel art with real console palettes and dithering.
ASCII Art Generator — Turn any picture into character art, with text and coloured PNG export.
GIF Speed Changer — Speed up, slow down or reverse an animated GIF by re-timing every frame.
GIF Frame Extractor — Export every frame of a GIF as a PNG, fully composited, bundled in a ZIP.

Developer

JSON Formatter & Validator — Beautify, validate and minify JSON with precise, actionable syntax error reporting.
Keyboard Tester — Test every key on your keyboard and read its key code, location and rollover.
Base64 Encoder / Decoder — Encode and decode text, images and files to and from Base64 strings and data URIs.
URL Encoder / Decoder — Percent-encode or decode URLs, query strings and URI components safely.
Regex Tester — Test regular expressions live with match highlighting, groups and a cheat sheet.
JWT Decoder — Decode and inspect JSON Web Token headers, payloads, claims and expiry safely.
Code Beautifier — Format minified or messy HTML, CSS and JavaScript with clean indentation.
Code Minifier — Strip whitespace, line breaks and comments from HTML, CSS and JavaScript.
Markdown Live Previewer — Write Markdown in a split pane with live HTML rendering and an HTML export button.
HTML to Markdown — Convert HTML or a copied web page into clean Markdown, tables included.
SQL Formatter — Beautify and indent SQL queries with keyword casing and one-click minify.
XML to JSON — Convert XML to JSON and back, keeping attributes and collapsing repeated elements into arrays.
JSON Diff — Compare two JSON documents by structure and get the changes as a JSON Patch.
JSON to TypeScript — Generate TypeScript interfaces from a JSON example, optional fields included.
JSON Schema Generator — Turn an example document into a JSON Schema, and say plainly what the example cannot settle.
HTML Entity Encoder — Encode and decode HTML entities so markup displays as literal text.
Cron Expression Parser — Translate a cron expression into plain English and preview its next run times.
URL Parser — Break a URL into its parts and edit its query parameters one by one.
User Agent Parser — Read the browser, engine, operating system, device and bot flags from any UA string.
HTTP Status Lookup — Search every HTTP status code with a plain-English explanation of when to use it.
Subnet Calculator — IPv4 CIDR network, broadcast, mask, wildcard and usable host range — /31 and /32 included.
Meta Tag Generator — Build title, description, Open Graph and Twitter Card tags with live length advice.
UTM Builder — Build campaign URLs with UTM parameters for analytics, one or in bulk.
XML Sitemap Generator — Turn a list of URLs into a valid sitemap.xml, split and indexed if large.
robots.txt Tester — Check whether a crawler is allowed to fetch a URL, and why.
.htaccess Redirect Generator — Generate 301 redirects and HTTPS/www rules for Apache and nginx.
Ping & Latency Tester — Measure round-trip latency, jitter and dropped requests from your browser.
Fake Data Generator — Generate realistic test records as JSON, CSV or SQL inserts.
.gitignore Generator — Build a .gitignore for your languages, frameworks, editors and OS.
cURL to fetch — Turn a copied cURL command into fetch, Axios or Node code, headers and body included.
SVG Optimizer — Strip metadata, editor attributes and redundant precision out of an SVG.
JWT Generator — Create and sign JSON Web Tokens with HMAC, RSA or ECDSA keys.
Base58 & Base32 Encoder — Encode and decode Base58, Base58Check, Base32 and Ascii85.
Chmod Calculator — Convert between octal and symbolic Linux permissions, with warnings on risky ones.
CIDR IP Expander — Expand an IPv4 CIDR block into every address it contains, ready to paste.
Docker Compose Validator — Check a compose file for structural errors, bad references and dependency cycles.
GraphQL Formatter — Format or minify GraphQL queries and schemas, with the error location named.
CSS Selector Tester — Run a selector against your own markup, see what it matches and read its specificity.
MIME Type Lookup — Find the right Content-Type for any file extension, charset included where it belongs.
Hex Viewer — Read any file byte by byte and find out what it really is from its signature.
HAR File Viewer — Inspect a browser HAR file’s waterfall and export a sanitised copy.
JSONPath Tester — Run JSONPath queries with filters against your JSON, per RFC 9535.

Text

Word & Character Counter — Live counts for words, characters, sentences, paragraphs, reading and speaking time.
Text to Speech — Read any text aloud with your browser's built-in voices and download-free playback.
Case Converter — Switch text between UPPERCASE, lowercase, Title Case, sentence case, camelCase and kebab-case.
Online Notepad — A distraction-free notepad that autosaves in your browser. No account needed.
Typing Speed Test — Measure your words per minute and accuracy in a 15-second to 2-minute test.
Random Picker — Spin a wheel to draw names from a list, using real cryptographic randomness.
Citation Generator — APA, MLA, Chicago, Harvard and IEEE citations and bibliographies.
To-Do List — A private to-do list with lists, due dates and calendar export.
Text Diff Checker — Compare two texts side by side with additions and deletions highlighted in green and red.
Lorem Ipsum Generator — Generate placeholder paragraphs, sentences or words with a one-click copy button.
Habit Tracker — Tick off daily habits, keep streaks and export your progress.
Flashcard Maker — Make flashcard decks and study them with spaced repetition.
Team Generator — Split names into random or skill-balanced teams in one click.
Remove Duplicate Lines — Strip duplicate lines, trim blanks and optionally sort the result.
Find and Replace — Bulk find and replace across text with regex, case and whole-word options.
Alphabetical Sorter — Sort any list A–Z, by length, numerically or shuffled, with natural ordering.
Text Cleaner — Unwrap broken lines, collapse spaces and strip the junk out of pasted text.
Social Text Formatter — Turn text into bold, italic, script or gothic Unicode that survives bios and captions.
Text to Handwriting — Turn typed text into a page of handwriting on ruled, squared or plain paper.
Emoji Picker — Search, pick and copy any emoji, with skin tones and code points.
Word Cloud Generator — Turn any text into a word cloud sized by frequency, and save it as a PNG.
Online Teleprompter — A full-screen scrolling prompter with adjustable speed, text size and mirror mode.
Readability Scorer — Score text with Flesch, Gunning fog, SMOG and Coleman-Liau, and find the hard sentences.
Keyword Density Analyzer — Count word and phrase frequency and check a target keyword for stuffing.
Clean Slug Generator — Turn any title into a clean, accent-free, SEO-friendly URL slug instantly.
List Comparator — Find what is in both lists, in one but not the other, or in either.
Emoji Remover — Strip emoji, pictographs and invisible characters from any text.
NATO Phonetic Alphabet — Spell anything out as Alfa Bravo Charlie, with the official pronunciations.
Bionic Reading Converter — Bold the opening of every word to give your eye something to land on.
Text Scrambler — Hide text with ROT13, Caesar shifts, Atbash, reversal or upside-down letters.

Security

QR Code Studio — Create custom QR codes for links, text and Wi-Fi networks with SVG and PNG download.
Strong Password Generator — Build cryptographically random passwords with a live entropy strength meter.
UUID / GUID Generator — Generate RFC 4122 compliant UUID v4 identifiers individually or in bulk.
Crypto Hash Generator — Compute SHA-256, SHA-384, SHA-512, SHA-1 and MD5 hashes right in the browser.
Unix Timestamp Converter — Live epoch clock with two-way conversion between Unix time and readable UTC/local dates.
Secure Passphrase Generator — Diceware-style passphrases you can actually remember, with the entropy shown.
Password Strength Checker — See how fast a password could be cracked and why, in your browser.
Text Encryption — Lock a message with a passphrase using AES-256-GCM, entirely inside the browser.
TOTP Code Generator — Generate two-factor authentication codes from a secret or otpauth link.
Bcrypt Generator — Hash and verify passwords with bcrypt, entirely inside your browser.
RSA & SSH Key Generator — Create RSA, ECDSA or Ed25519 key pairs as PEM and OpenSSH keys.
SSL Certificate Decoder — Decode a certificate, chain or CSR and check its signatures and expiry.
CSR Generator — Generate a certificate signing request and private key for an SSL certificate.
HMAC Generator — Compute and verify HMAC-SHA1, SHA-256, SHA-384 and SHA-512 signatures.
CSP Generator — Build a Content-Security-Policy header and check an existing one.
Image Steganography — Hide an encrypted text message inside an image, or reveal one.

Calculators

Percentage Calculator — Work out percentages, increases, decreases and what percent one number is of another.
Age Calculator — Find an exact age in years, months, days, hours and the next birthday countdown.
BMI Calculator — Calculate Body Mass Index in metric or imperial units with the WHO category scale.
Loan & EMI Calculator — Monthly repayment, total interest and a full amortisation schedule for any loan.
Random Number Generator — Draw cryptographically random numbers in any range, with or without duplicates.
Scientific Calculator — Trigonometry, logarithms, powers and factorials, with a keypad and a running history.
Countdown Timer — Online timer with alarm, presets, full screen and date countdowns.
Stopwatch & Lap Timer — A precise stopwatch with lap splits, fastest and slowest markers and CSV export.
Mortgage Calculator — Monthly repayment, total interest and a year-by-year balance, with overpayment savings.
Compound Interest Calculator — See what savings grow to over time, year by year, with inflation shown alongside.
Calorie Calculator — Estimate daily calories from the Mifflin-St Jeor equation, with macro splits.
GPA Calculator — Credit-weighted grade point average, with Pass/Fail courses correctly excluded.
Date Difference Calculator — Days, weeks, months and business days between any two dates, plus date arithmetic.
Pomodoro Timer — A focus timer with work sessions, short and long breaks and a chime.
Discount Calculator — Sale price, amount saved and the effective percentage off, including stacked discounts.
Tip Calculator — Split a bill, add a tip percentage and get the exact amount each person owes.
Salary Calculator — Convert between hourly, weekly, monthly and annual pay, overtime and unpaid leave included.
VAT & Sales Tax Calculator — Add tax to a net price or extract it from a gross one — correctly, not by subtracting.
Pregnancy Due Date Calculator — Estimate a due date from the last period, conception, IVF transfer or a scan.
Ovulation Calculator — Estimate ovulation, the fertile window and the next periods from your cycle.
Sleep Calculator — Find the bedtime or alarm time that wakes you between sleep cycles.
Time Duration Calculator — Hours between two times, minus breaks, in both clock and decimal payroll form.
Fraction Calculator — Add, subtract, multiply and divide fractions and mixed numbers, with working.
Grade Calculator — Weighted course grade, letter grade and the final exam score you need.
Statistics Calculator — Mean, median, mode, standard deviation, quartiles and outliers from a list.
Equation Solver — Solve linear, quadratic, cubic and higher equations with exact roots and steps.
Budget Planner — Plan a monthly budget and check it against the 50/30/20 rule.
Unit Price Calculator — Compare price per ounce, kg or item to find the best value.
Debt Payoff Calculator — Plan paying off several debts with the snowball or avalanche method.
Retirement Calculator — Project your savings to retirement and see how long they last and what to save.
Profit Margin Calculator — Work out margin, markup, profit and selling price from any two figures.
Crypto Profit Calculator — Work out net profit, return and the break-even price once both trading fees are paid.
Freelance Rate Calculator — Find the hourly rate that actually covers tax, costs, holiday and unbillable time.
Fuel Trip Calculator — Estimate the fuel and cost of a journey in metric or imperial, split between passengers.
Body Fat Calculator — Estimate body fat with the US Navy tape method, plus fat and lean mass.
Pace Calculator — Running pace, finish time or distance, with splits and race predictions.
Electricity Cost Calculator — Work out what your appliances cost to run per day, month and year.
Square Footage Calculator — Add up the area of rooms and shapes in sq ft and m², with materials cost.
Aspect Ratio Calculator — Work out matching dimensions for any ratio and export a blank canvas at that size.
PPI Calculator — Work out a screen’s pixel density, physical size and the distance pixels disappear at.
LCM & GCF Calculator — Find the LCM and GCF of a list of numbers, with prime factorisations.
Matrix Calculator — Determinant, inverse, RREF, powers and products of matrices, as exact fractions.

Converters

Unit Converter — Convert length, weight, area, volume, speed and data units with live precision.
Time Zone Converter — Compare a moment across several zones and find the hours that work for everybody.
GPS Coordinate Converter — Convert between DMS, decimal, UTM, MGRS and more.
Temperature Converter — Convert between Celsius, Fahrenheit, Kelvin and Rankine instantly.
Offline Currency Converter — Convert between 47 currencies with a local rate table that works with no connection.
TTF to WOFF — Convert fonts between TTF, OTF and WOFF losslessly.
Excel to CSV — Export any sheet of an .xlsx workbook to CSV or JSON.
CSV to Excel — Convert CSV, TSV or JSON to a real .xlsx workbook.
CSV to JSON Converter — Convert CSV to JSON and JSON back to CSV with delimiter and header detection.
JSON to CSV — Convert JSON records into a spreadsheet-ready CSV, flattening nested fields.
Markdown to Word — Convert Markdown to a styled Word .docx.
RTF Converter — Read RTF files and convert them to text or HTML.
Shoe Size Converter — Convert US, UK, EU and Japanese shoe sizes for men, women and kids.
Cooking Converter — Cups, spoons, millilitres, grams and ounces — per ingredient, because density differs.
Number to Words — Write any number in words, as a cheque amount or in lakh and crore.
Roman Numeral Converter — Convert numbers to Roman numerals and back, from 1 to 3,999,999.
Morse Code Translator — Translate text to Morse code and back, with audible playback at any speed.
Text to Binary Converter — Convert text to binary, hexadecimal, octal and decimal byte values and back.
Number Base Converter — Convert between binary, octal, decimal, hexadecimal and any base from 2 to 36.
YAML to JSON — Convert YAML config to JSON and back, with clear errors when it will not parse.
Subtitle Shifter — Shift, resync and convert SRT and WebVTT subtitle timings.
vCard Converter — Convert contacts between .vcf vCard files and CSV.
ICS Calendar Event Generator — Create an .ics calendar invite that works in every calendar app.
CSV to Markdown — Turn CSV or spreadsheet data into a properly aligned Markdown table.
Hex to Text — Convert between hexadecimal bytes and UTF-8 text, with a byte dump alongside.
Unicode Converter — Convert text to Unicode escapes, code points and UTF-8 bytes, and back.

Design

Signature Generator — Draw or type a signature and save it as a transparent PNG.
Color Converter — Convert any colour between HEX, RGB, HSL, HSV and CMYK with a live preview.
Color Wheel — Find complementary, triadic and other harmonies on a colour wheel.
Favicon Generator — Turn any image into a full favicon set with ready-to-paste HTML tags.
CSS Gradient Generator — Build linear and radial CSS gradients visually and copy the ready-made code.
CSS Box Shadow Generator — Design layered box shadows with live preview and copy the exact CSS.
Color Contrast Checker — Test any colour pair against WCAG AA and AAA contrast ratios for accessibility.
CSS Grid Generator — Draw a grid layout by dragging and copy the CSS and HTML.
CSS Flexbox Playground — Change any flex property and watch the boxes move, then copy the generated CSS.
Border Radius Generator — Shape organic blobs and rounded corners with per-corner CSS radius control.
PX to REM Converter — Convert pixels to rem and back, or a whole stylesheet at once.
Color Shades Generator — Build a 50–950 colour scale with tints and shades, ready for CSS or Tailwind.
CSS Glassmorphism Generator — Build a frosted-glass card with backdrop-filter and copy the CSS.
CSS Animation Generator — Build @keyframes visually with a live preview and copyable CSS.
CSS clip-path Generator — Drag out a polygon, circle or inset shape and copy the CSS that makes it.
Neumorphism Generator — Build soft-UI shadows visually and copy the CSS, with a contrast warning.
SVG Wave Generator — Design layered SVG waves for section dividers and backgrounds.
Placeholder Image Generator — Make placeholder images of any size as PNG, JPEG, WebP or SVG.
Sprite Sheet Generator — Pack images into one sprite sheet with CSS or a JSON atlas.
SVG Path Visualizer — See what every command in a path draws, with anchor points and a command table.
Colour Blindness Simulator — See a design as the four main kinds of colour vision deficiency do.

PDF

PDF Compressor — Make a PDF smaller by re-encoding its pictures, leaving the text layer untouched.
PDF to Word — Convert a PDF into an editable Word .docx document.
Merge PDF — Combine several PDFs into one file, in the order you choose, without uploading anything.
Word to PDF — Convert a .docx Word document to a PDF with real, selectable text.
Excel to PDF — Turn an .xlsx or CSV sheet into a clean PDF table.
Image to PDF — Turn JPG, PNG or WebP images into a single PDF with your choice of page size and margin.
EPUB to PDF — Read an e-book and convert it to a text PDF.
Split PDF — Break one PDF into separate files by page, by fixed size or by custom ranges, delivered as a ZIP.
Sign PDF — Draw a signature, place it anywhere on the page and export the signed file.
Resume Builder — Fill in a form and download a clean, ATS-friendly PDF résumé.
Invoice Generator — Fill in a professional invoice and download it as a text-based PDF.
Unlock PDF — Remove a PDF’s password and its printing, copying and editing restrictions.
Protect PDF — Lock a PDF with a password using AES-256 encryption, without uploading it.
Rotate PDF — Turn any page 90, 180 or 270 degrees and save without re-encoding a thing.
PDF Image Extractor — Pull the embedded pictures out of a PDF as PNG or JPG, singly or in a ZIP.
Add Text to PDF — Type, white out, date and place images anywhere on a PDF page.
PDF Watermark — Stamp text across your pages diagonally or straight, at any opacity.
Extract PDF Pages — Keep, drop or reorder pages and save the result as a brand-new PDF.
Delete PDF Pages — Pick the pages you do not want and save a copy without them.
Reorder PDF Pages — Drag pages into a new order and save the resequenced document.
PDF Page Numbers — Add page numbers with your choice of format, position, font and colour.
PDF to Text — Pull the plain text out of a PDF, page by page, ready to copy or download.
Crop PDF — Trim margins and white space from every page, with the content area detected for you.
Flatten PDF — Bake filled form fields and annotations into the page so they can no longer be edited.
PDF to Greyscale — Convert a colour PDF to pure greyscale to save printer ink and file size.
Compare PDF — See every line added, removed or reworded between two versions of a PDF.
Repair PDF — Recover a damaged or truncated PDF and rebuild it as a clean file.
PDF Page Resizer — Change a document to A4, Letter, A3 or A5 with the content scaled to fit and nothing cropped.
Pages Per Sheet — Put 2, 4, 6, 9 or 16 pages on each sheet for handouts and for printing far less paper.
PDF Table Extractor — Pull a table out of a PDF and export it as CSV for a spreadsheet.
HTML to PDF — Turn HTML into a formatted PDF with real, selectable text.
Markdown to PDF — Render Markdown into a clean PDF with headings, lists, code and tables.
Printable Calendar — Make a monthly or one-page yearly calendar as a print-ready PDF.
Deskew PDF — Straighten a crooked scan by measuring its tilt, or set the angle yourself.
PDF Bookmark Editor — Read, edit and add the outline bookmarks that make a long PDF navigable.
PDF Metadata Editor — Read, rewrite or clear the title, author, subject and keywords in a PDF.

Audio

Video to Audio — Pull the soundtrack out of an MP4, MOV or WebM video as a WAV file.
Audio Converter — Turn MP3, M4A, OGG or FLAC into WAV, FLAC or Opus.
MP3 Tag Editor — Edit title, artist, album and cover art without re-encoding.
Voice Changer — Robot, monster, chipmunk and radio voices for any clip.
Audio Cutter — Trim MP3, WAV or OGG files with a waveform you can see, and export the selection as WAV.
Vocal Remover — Make karaoke instrumentals or pull out the vocals.
Voice Recorder — Record from your microphone with a live waveform and save a WAV — nothing is uploaded.
Noise Reducer — Remove hum, hiss and background noise from recordings.
Mic Test — Check your microphone with a live level meter, waveform and playback.
Online Piano — Play a piano with your keyboard, mouse or touch, record it and save a WAV.
Guitar Tuner — Tune a guitar, bass or ukulele through your microphone with a live needle.
Metronome — A steady practice click scheduled on the audio clock, with accents and time signatures.
Volume Booster — Raise a quiet recording up to 300%, with normalising and soft limiting instead of clipping.
Loudness Meter — Measure LUFS and true peak, then normalise to a target.
Audio Joiner — Merge several tracks into one file, with an adjustable gap and automatic sample-rate matching.
Fade In & Out — Add smooth fade-ins and fade-outs to any audio file.
Audio to Video — Turn a song or podcast into an MP4 with a picture.
Audio Speed & Pitch — Change tempo and key independently — slow a track without chipmunk voices.
Bass Booster — Lift the low end with a low-shelf filter and adjustable crossover, then export a WAV.
Audio Equalizer — Shape any audio file with a 10-band graphic EQ.
8D Spatial Audio — Move any track in a circle around the listener using true binaural panning.
Stereo to Mono — Mix to mono, swap or split channels, fix one-sided audio.
Audio Reverse — Play and export any track backwards. Running it twice returns the original exactly.
Reverb & Echo — Add room reverb and echo to a voice or song and download WAV.
Silence Remover — Find and cut the silent gaps from a recording, with a threshold you control.
Ambient Noise Generator — Generate white, pink, brown and blue noise with a sleep timer and WAV export.
Tone Generator — Play any frequency from 1 Hz to 22 kHz, sweep between two and save it as WAV.
BPM Tap Finder — Tap along to find a track's tempo, or let the analyser estimate it from the file.
Spectrogram Viewer — See the frequencies in an audio file or your microphone over time.
Waveform Image Generator — Turn an audio file into a waveform image as PNG or SVG.