Free forever. No email. No upload.
- 57 tools
- No watermark
- No daily limit
Nothing is uploaded. Nothing is stored. Nothing costs money.
57 tools for PDF, images, video and CSV. Every one of them finishes in this tab, on your own machine.
Images
-
Image Converter & Compressor
Convert to WebP, JPEG or PNG, resize, and cut the file size. The photo never leaves your device.
Open tool -
Image Cropper
Crop to any size or aspect ratio, by dragging or by typing exact pixels. The photo never leaves your device.
Open tool -
Remove a Plain Background
Cut a subject off a single-colour background and save it as a transparent PNG. Nothing is uploaded.
Open tool
-
Combine Files Into One PDF
Photos, screenshots and PDFs into a single document, in the order you choose.
Open tool -
Image to PDF
Photos and screenshots into one PDF, in the order you choose. Nothing is uploaded.
Open tool -
Merge PDF
Join PDFs into one, in the order you choose. Nothing is uploaded.
Open tool -
Split PDF
Extract, delete or rotate pages, or cut a PDF into several files. Nothing is uploaded.
Open tool -
Compress PDF
Shrink a scanned PDF by re-compressing the photographs inside it. Nothing is uploaded.
Open tool -
Watermark PDF
Stamp a watermark or page numbers on every page, in any language. Nothing is uploaded.
Open tool -
Protect PDF
Add a password to a PDF with AES-256. The file never leaves your device.
Open tool -
Extract Images From a PDF
Pull photographs and logos out as separate files, at the quality they were stored at.
Open tool -
Reorder PDF pages
Drag pages into a new order. Nothing is uploaded.
Open tool
Video & audio
-
Compress Video
Make an MP4 smaller without uploading it. Choose a size and a quality, and watch it work.
Open tool -
Trim a Video Without Re-encoding
Cut a piece out of an MP4 with no quality loss and no waiting. Nothing is uploaded.
Open tool -
Video to GIF
A few seconds of video as an animated GIF, with the colours taken from your own footage.
Open tool -
Remove Background Noise
Take wind, hiss and mains hum out of a recording. It reports the result in decibels, and nothing is uploaded.
Open tool -
Remove Audio from Video
Mute an MP4 without touching the picture. Lossless, and nothing is uploaded.
Open tool -
Extract Audio from Video
Pull the soundtrack out of an MP4 without re-encoding. Nothing is uploaded.
Open tool -
Subtitle Converter and Timing Shifter
SRT and VTT both ways, and move every cue in time at once.
Open tool
Data & spreadsheets
-
Mask Personal Data in a CSV
Cover up emails, phone numbers and ID numbers in a spreadsheet before you send it. Nothing is uploaded.
Open tool -
Fix a CSV That Excel Opens Wrongly
Thai turning into strange symbols in Excel? Work out the real encoding and save a copy that opens correctly.
Open tool -
CSV to Excel, With Nothing Guessed
A real .xlsx where phone numbers keep their leading zero and IDs are not turned into 1.2E+12.
Open tool -
JSON and XML, Both Ways
Convert between the two with the mapping stated on the page and proven to survive a return trip.
Open tool -
JSON Formatter & Validator
Pretty-print, validate and minify JSON. Errors give the line and column. Handles 5 MB files without freezing the page.
Open tool
Random & prize draws
-
Spin the wheel
Pick a name at random, with a seed that proves the draw was fair.
Open tool -
Random name picker
Winners, teams, order, pairs or a gift exchange, with a seed that proves it.
Open tool -
Random number generator
Any range, dice, a coin, or numbers with no repeats. Seeded and checkable.
Open tool
Accessibility
-
Contrast checker
WCAG AA and AAA at every text size, with the nearest colour that would pass.
Open tool -
Colour blindness checker
Which two colours in your palette stop being two colours.
Open tool -
Readability checker
Marks the sentences that are too long, in Thai as well as English.
Open tool -
PDF accessibility checker
Whether a screen reader can read your PDF, checked in the browser.
Open tool -
Flashing content checker
The three-flash seizure threshold, without ever showing you the video.
Open tool
Text
-
Compare Two Texts
See which lines and which words changed between two versions. Works properly on Thai.
Open tool -
Word and Character Count
Words, characters and reading time as you type. Counts Thai by word, not by paragraph.
Open tool -
Change Case
Every case at once: upper, title, camelCase, snake_case and the rest. Copy the one you meant.
Open tool -
Sort Lines and Remove Duplicates
Alphabetical order that is right in Thai, and numbers that sort as numbers.
Open tool -
Morse code translator
Translate Morse and hear it at any speed, with correct timing and a flashing lamp.
Open tool -
Encrypt text
Lock a message behind a password with AES-256-GCM. Nothing is uploaded, and the format is published.
Open tool -
Classic ciphers
ROT13, Caesar, Vigenère, XOR, rail fence and more, with an explanation of what each is really used for.
Open tool -
Enigma machine
A working simulator with rotors, rings and plugboard, checked against a real 1930 message.
Open tool
Generators & calculators
-
QR Code Generator
Codes for links, WiFi, contact cards, email and more, with a logo and your own colours. Nothing is uploaded.
Open tool -
Percentage Calculator
Percentages, discounts, percentage change, and VAT added or removed. No sign-up, nothing uploaded.
Open tool -
Secure Password Generator
Strong random passwords from your operating system’s cryptographic source, with a live entropy readout. 8 to 64 characters.
Open tool -
UUID Generator
Version 4 or the time-ordered version 7, in batches, generated on your machine.
Open tool -
URL Slug Generator
A clean slug from any title, keeping Thai rather than deleting it.
Open tool
Developer
-
Base64 Encoder & Decoder
Encode and decode Base64 with correct UTF-8 handling and a URL-safe option. Tolerates unpadded and line-wrapped input.
Open tool -
URL Encoder & Decoder
Percent-encode values or whole URLs, and break a query string into its parameters, duplicate keys included.
Open tool -
MD5 & SHA Hash Generator
MD5, SHA-1, SHA-256, SHA-384 and SHA-512 from one box of text, all shown at once.
Open tool -
Unix Timestamp Converter
Epoch to date and back, in seconds or milliseconds. Nothing is uploaded.
Open tool -
Number base converter
Binary, octal, decimal, hex and any base to 36, with exact arithmetic past 2^53.
Open tool
Games
-
Snake
The classic, done carefully. Arrow keys or swipe, no sign-up, works offline.
Open tool -
2048
Slide and merge the numbers. Arrow keys or swipe, one-step undo, works offline.
Open tool -
Minesweeper
Safe first click, chording, three board sizes. No sign-up, works offline.
Open tool -
Tetris
Seven-bag, proper kicks, ghost and hold. No sign-up, works offline.
Open tool -
Sudoku
One answer, no guessing, and a level that means something. Works offline.
Open tool -
Sliding puzzle
The 15 puzzle, with every board guaranteed solvable. Three sizes, works offline.
Open tool -
Solitaire
Klondike with every deal proven winnable. Click to move, works offline.
Open tool