Small online tools that just work.

Free tools that run entirely in your browser - nothing to install, nothing uploaded.

All tools

Markdown Editor Write and preview Markdown, then reach every conversion tool from one searchable toolbox.

Compress Image Shrink photos to a smaller JPEG.
Convert Image JPEG, PNG, WebP, HEIC and more - convert between them.
Remove Photo Metadata Strip EXIF data - camera info, timestamp, GPS location.
Remove Background Automatically remove the background, get a transparent PNG back.
Image to Text (OCR) Extract text from a photo, entirely in your browser.
Photo Editor Crop, rotate, resize, filter, and draw on a photo, then download the result - entirely in your browser.

Photos to PDF Upload photos, resize them, get one PDF back.
Merge PDF Combine several PDFs into one, in the order you choose.
Split PDF Break a PDF into one file per page.
Compress PDF Shrink a PDF by reducing the resolution of the photos inside it, with optional OCR to make scanned text editable.
PDF to Text (OCR) Extract text from a PDF, entirely in your browser.

Word Count Words, characters, sentences, reading time - live as you type.
Text Case Converter UPPERCASE, lowercase, camelCase, snake_case, PascalCase, kebab-case.
Slug Generator Turn a title or heading into a clean, URL-friendly slug.
Diff Checker Compare two blocks of text and see exactly what changed.
Keyword Density Checker See which words or phrases repeat most, and how often, in a block of text.

JSON Formatter Format, minify, and validate JSON.
RegEx Tester Live matches, capture groups, and replace against sample text.
CSV Converter Convert CSV to JSON or a Markdown table.
JWT Decoder Inspect a token's header and payload, verify HS256 signatures.
YAML ⇄ JSON Convert YAML to JSON, or JSON to YAML.
Contrast Checker WCAG contrast ratio between two colors, with pass/fail for AA and AAA.

Base64 Encode or decode text, or turn a file into a data URI.
URL Encode/Decode Percent-encode text for URLs, or decode it back.
Hex Encode/Decode Convert text to hexadecimal, or decode hex back to text.
HTML Entities Escape reserved characters to HTML entities, or decode them back.
Base Converter Convert numbers between binary, octal, decimal and hex.
Gzip Compressor Compress text with gzip and see the size saved, or decompress it back.

Epoch Time The current Unix timestamp, plus convert dates both ways.
Current Time Your local time, plus a world clock for any timezone.
Calendar A Gregorian month view, timezone-adjustable.
Pomodoro Timer Work in focused bursts with short breaks in between - the classic Pomodoro technique.
Countdown Timer Pick a date and time, and watch the days, hours, minutes and seconds tick down to it.
Interval Timer Repeating rounds with audible cues, for HIIT, shifts, or training circuits - no screen-watching required.
Multi-Timer Run several named countdowns at once, each with its own color, ring, and alarm - for cooking, workouts, labs, or meetings.
World Clock Wallboard A fullscreen multi-city clock grid for an office display, not just a single viewer.
Timezone Planner Pick several cities and drag through time to watch day and night move across each one, in sync.

QR Code Turn any text or link into a scannable QR code.
Unit Converter Length, weight, temperature, volume.
URL Shortener Turn a long link into a short handyk.it/s/ link.
Poll Create a poll, share the link, watch votes come in - single or multiple choice, anonymous or named.

Password Generator Generated entirely offline in your browser - nothing sent anywhere.
ROT13 / Caesar Cipher Shift the alphabet - ROT13 or any custom shift amount.
AES Encrypt/Decrypt Real AES-256-GCM encryption, entirely in your browser.
Checksum Verifier Drag a file to get its SHA-256 and SHA-1 checksum, entirely in your browser - nothing is uploaded.
Hash Generator MD5, SHA-1, SHA-256, and SHA-512, computed as you type.
Input Escaper Escape text for safe use in SQL, HTML, or a JavaScript string.
Password Hasher bcrypt and Argon2 hashing, plus a verify mode.

Periodic Table All 118 elements, color-coded by category, searchable, with a deeper article per element.

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