HomeAll Tools
All 97 Tools
Every tool on Toolbox Hub, grouped by the kind of job it does. Each one runs entirely in your browser: there is nothing to install, no account to create, and nothing you type or upload is sent to a server. Pick a category below, or jump straight to the section you need.
Developer tools (14)
Formatters, validators, encoders and generators for the data you move between services: JSON, XML, Base64, hashes, UUIDs, timestamps and regular expressions.
Base64 Encoder/Decoder
Encode decode Base64
URL Encoder/Decoder
URL encode decode
UUID Generator
Generate random UUIDs
Timestamp Converter
Unix timestamp conversion
MD5 SHA Hash Generator
Generate hashes
HTML Entity Encoder/Decoder
Encode decode HTML entities
Number Base Converter
Binary octal decimal hex
Regex Tester
Test regular expressions
HTML Preview
Preview HTML code
Data Converter
Convert JSON YAML XML CSV in every direction
Gitignore Generator
Create gitignore files for Node Python Java and more
Mermaid Diagram Editor
Turn text into flowcharts sequence and ER diagrams
Excel Converter
Convert XLSX CSV JSON in your browser
Unicode Converter
Convert to/from Unicode
Utility tools (12)
Everyday helpers that do one job and get out of the way: QR codes, passwords, a stopwatch, a world clock, timers and simple ciphers.
QR Code Generator
Generate QR codes
Password Generator
Generate secure passwords
File Size Converter
Convert file sizes
Online Stopwatch
Stopwatch timer
World Clock
Check world times
Caesar Cipher
Encrypt decrypt
ROT13 Encoder
ROT13 encode decode
Binary to Text
Binary text conversion
Hex to Text
Hex text conversion
Pomodoro Timer
Productivity timer
Password Strength Checker
Check password strength
Phone Number Formatter
Format phone numbers
Text tools (13)
Cleaning, counting, sorting and reshaping text: case conversion, duplicate removal, slugs, trimming, sorting and letter frequency.
Word Counter
Count words characters
Text to Slug
URL slug generator
Markdown Preview
Live Markdown preview
Text Case Converter
Change text case
Duplicate Line Remover
Remove duplicate lines
Line Number Adder
Add line numbers
Random String Generator
Generate random strings
List Randomizer
Randomize list order
Text Trimmer
Trim whitespace
Letter Counter
Count letter frequency
Morse Code Translator
Translate morse code
Text Repeater
Repeat text
List Sorter
Sort lists
Design tools (9)
Colour and CSS work: palettes, gradients, shadows, contrast checks against WCAG, border radius and an emoji picker.
Color Converter
HEX RGB HSL conversion
CSS Gradient Generator
Create CSS gradients
Box Shadow Generator
Generate box shadows
Border Radius Generator
Generate border radius
Color Palette Generator
Generate color palettes
Emoji Picker
Browse copy emojis
Text Shadow Generator
CSS text shadow
Contrast Checker
WCAG contrast check
Favicon Generator
Generate favicons
Image tools (3)
Compress, resize and convert images locally, without a file ever leaving your device.
Converter tools (7)
Unit conversions across length, weight, temperature, speed, area, volume, time and file size, calculated through a single reference unit so no precision is lost.
Calculator tools (9)
Money, dates and health: discounts, tips, loans, age, the gap between two dates, BMI, and random draws when you need a fair number.
Discount Calculator
Calculate discounts
Tip Calculator
Calculate tips
Age Calculator
Calculate age
Date Difference Calculator
Days between dates
Days Until Calculator
Countdown to dates
BMI Calculator
Body Mass Index
Random Number Generator
Generate random numbers
Dice Roller
Roll virtual dice
Loan Calculator
Calculate loans
Web tools (6)
Page-level helpers: meta tags, Open Graph tags, favicons, URL parsing, email syntax checks and YouTube thumbnails.
Math tools (6)
Number work: primes, factorials, scientific notation, fractions, greatest common factor and least common multiple, and Roman numerals.
Document tools (1)
Work with PDFs entirely in your browser: merge several files into one, split a long document into pages, turn images into a PDF, or pull pages out as images and text, with nothing uploaded.
File tools (1)
Pack and unpack archives without installing anything: build a ZIP or TAR from your files, or open an archive and pull out what you need, all processed locally in your browser.
Video tools (14)
Short-video work that runs locally: compress, convert, merge, trim, speed up, flip and rotate clips, pull frames or GIFs, rip audio, and assemble covers and scripts — all processed in your browser with nothing uploaded.
Video Compressor
Compress video in your browser
Video Converter
Convert MP4 WebM MOV MKV AVI
Video Merger
Merge multiple videos into one
Video Speed Changer
Speed up or slow down video
Video Transformer
Flip rotate reverse video
Video Trimmer
Trim cut video by time range
Video to GIF
Convert video clips to GIF
Video to Audio
Extract MP3 audio from video
Video Frame Capture
Capture video frames as images
Video Frame Studio
Scene detection frame capture with watermark
Viral Video Script Studio
Short video script templates with hooks
Teleprompter
Online teleprompter with auto scroll
Subtitle Editor
Edit convert SRT VTT ASS subtitles
OpenReel Video Editor
Full browser video editor with timeline
Audio tools (2)
Convert between audio formats and trim tracks with a waveform, entirely on your device.
How these tools are different
Nothing leaves your device
Every conversion, format and calculation happens in the page. That is why there is no upload limit, and why the tools keep working once the page has loaded.
No account, no paywall
There is no registration and no paid tier holding back basic functions. Open the page and use it.
Built for one job each
Each tool has a single page with the input, the result and a copy button. No dashboards, no settings to configure first.
Looking for the reasoning behind a tool rather than the tool itself? The Toolbox Hub blog covers how to combine them for real work.