34 tools that run in your browser

One page each, built from the same Rust and WebAssembly toolbox. Nothing you type is uploaded, and every one of them keeps working offline.

• Base64 Encoder and Decoder
  Paste text or Base64 and convert it instantly, in your browser.
• JSON Formatter and Minifier
  Pretty-print unreadable JSON, or squeeze it back down to one line.
• JSON Validator
  Find out exactly which line and column broke your JSON.
• Word and Character Counter
  Live counts for words, characters, sentences and reading time.
• Lorem Ipsum Generator
  Placeholder paragraphs, sentences or words, ready to paste.
• SEO Text Analyzer
  Keyword density, phrase frequency and readability for your copy.
• Typing Speed Test
  One minute, real words, honest numbers.
• Wheel of Names
  Type the names, spin the wheel, get one winner.
• Unix Epoch Converter
  Timestamps to dates and back, in seconds or milliseconds.
• Online Alarm Clock
  Set a time, leave the tab open, get woken up.
• Online Stopwatch and Timer
  Start, lap, reset, or count down instead.
• Unit Converter
  Eleven categories, a hundred-plus units, instant conversion.
• Conversion Tables
  Whole reference tables, not one lonely number.
• Online Calculator
  Type an expression, or use the loan, BMI and percentage tools.
• HTML Color Codes
  Pick a colour, get every code, check the contrast.
• Colour Information
  Everything about one colour: codes, name, shades, tints, palettes.
• What Is My Screen Resolution?
  Your screen size, viewport, pixel ratio and aspect ratio.
• URL Encoder and Decoder
  Percent-encode a value, or read back one that is already encoded.
• Text Case Converter
  Every casing style at once, from one box of text.
• Hash Generator
  Every common digest of your text, computed on your device.
• Number Base Converter
  Binary, octal, decimal, hex and every base up to 36.
• Word Unscrambler
  Every word your letters can make, longest first.
• JWT Decoder
  Read any token's claims, and check an HMAC signature against your secret.
• Text Diff Checker
  See exactly what changed between two versions.
• QR Code Generator
  Make a QR code, choose its colours, download it as PNG or SVG.
• World Clock and Time Zone Converter
  Every place you care about, side by side, and the hours that suit all of them.
• Countdown to a Date
  How long until it happens, down to the second.
• Webcam and Microphone Test
  See your camera and watch your mic level, before the call starts.
• Compress an Image
  Make the file smaller without sending it anywhere.
• Image Resizer and Converter
  Set the pixels you need, or change the format, without uploading anything.
• Merge PDF Files
  Put several PDFs into one, in the order you choose, without uploading them.
• Split a PDF and Extract Pages
  Keep the pages you want and leave the rest, without uploading anything.
• CSV Viewer
  Open it, sort it, search it, however big it is, without uploading it.
• YAML to JSON and Back
  Paste either one and get the other, without uploading it.

Nothing here matches that. The tools are small and single-purpose, so try the thing you have rather than the thing you want: csv, pdf, image, json, time.