WebToolBoxSmall tools for everyday tasks.
Fast, focused utilities that run in your browser. No account, no installation.
Browse by category
Choose a task, then get straight to work.
Developer
Clean, inspect, and transform code and structured data.
Text
Fix, compare, count, and organize text in seconds.
Image
Resize, convert, inspect, and prepare images locally.
Web & Color
Build URLs, QR codes, colors, and web-ready assets.
Data
View and convert common table and data formats.
Calculators
Quick everyday calculations without a spreadsheet.
All tools
Every utility is free to use.
JSON Cleaner & Formatter
Detect invisible characters, clean troublesome whitespace, validate, format, minify, copy, and download JSON.
Open tool →{ }JSON Minifier
Shrink valid JSON to a compact single line, with instant size comparison.
Open tool →{ }JSON ↔ CSV Converter
Convert arrays of JSON objects to CSV and CSV tables back to JSON.
Open tool →{ }Base64 Encoder & Decoder
Encode Unicode text to Base64 or decode Base64 safely.
Open tool →{ }URL Encoder & Decoder
Encode or decode URL components without sending them anywhere.
Open tool →{ }JWT Decoder
Inspect JWT headers and payloads locally. No token is uploaded or verified.
Open tool →{ }UUID Generator
Generate one or many cryptographically random UUID v4 identifiers.
Open tool →{ }Unix Timestamp Converter
Convert Unix timestamps to readable local/UTC dates and back.
Open tool →AaInvisible Character Cleaner
Find zero-width, non-breaking, BOM, and other hidden Unicode characters.
Open tool →AaFull-width / Half-width Converter
Convert letters, numbers, and spaces between full-width and half-width forms.
Open tool →AaCharacter, Word & Line Counter
Count characters, words, lines, bytes, and reading time live.
Open tool →AaDuplicate Line Remover
Remove repeated lines while preserving their first occurrence.
Open tool →AaSpace & Empty Line Cleaner
Trim lines, collapse extra spaces, and remove empty lines.
Open tool →AaLine Sorter
Sort lines alphabetically, naturally, numerically, or reverse their order.
Open tool →AaText Difference Checker
Compare two texts line by line and highlight additions and removals.
Open tool →▧Image Resizer
Resize images by exact dimensions or percentage while preserving aspect ratio.
Open tool →▧Image Compressor
Reduce JPEG or WebP file size with an adjustable quality control.
Open tool →▧PNG / JPG / WebP → PNG / JPG / WebP Converter
Convert a PNG, JPG, or WebP image into PNG, JPG, or WebP locally in your browser.
Open tool →▧GIF Frame Extractor
Extract every frame from an animated GIF, download individual PNGs, or download all frames as a ZIP.
Open tool →▧Image Cropper
Crop an image using precise pixel coordinates and dimensions.
Open tool →▧Image Metadata Viewer
View file, type, dimensions, aspect ratio, and transparency details.
Open tool →▧Favicon Generator
Turn an image into correctly sized 16, 32, and 180 pixel icons.
Open tool →⌁QR Code Generator
Create a downloadable QR code for text or a URL.
Open tool →⌁URL Parser
Break a URL into protocol, host, path, query parameters, and hash.
Open tool →⌁UTM URL Builder
Build campaign URLs with properly encoded UTM parameters.
Open tool →⌁HEX / RGB / HSL Converter
Pick a color and convert it between HEX, RGB, and HSL.
Open tool →▦CSV Viewer & Formatter
Inspect CSV as a clean table and download normalized CSV.
Open tool →▦CSV ↔ TSV Converter
Switch tabular data between comma- and tab-separated formats.
Open tool →%Percentage Calculator
Calculate percentages, percentage change, and reverse percentages.
Open tool →%Date & Days Calculator
Find the number of days between dates or add days to a date.
Open tool →{ }JSON Compare
Compare two JSON documents and see whether their normalized data matches.
Open tool →{ }JSON Escape / Unescape
Escape text for a JSON string or unescape a JSON string value.
Open tool →{ }Regex Tester
Test a regular expression against text and inspect every match.
Open tool →{ }HTML Escape / Unescape
Safely escape HTML special characters or restore escaped text.
Open tool →{ }HTML Minifier
Remove unnecessary whitespace and comments from HTML source.
Open tool →{ }CSS Minifier
Minify CSS by removing comments and unnecessary whitespace.
Open tool →{ }JavaScript Whitespace Cleaner
Clean JavaScript whitespace and comments for quick copy-and-paste snippets.
Open tool →{ }SHA-256 Hash Generator
Create a SHA-256 cryptographic hash from text locally.
Open tool →{ }SHA-1 Hash Generator
Create a SHA-1 hash for legacy compatibility checks.
Open tool →{ }Password Generator
Generate strong random passwords with letters, numbers, and symbols.
Open tool →AaLorem Ipsum Generator
Generate placeholder paragraphs, sentences, or words.
Open tool →AaText Case Converter
Convert text to upper, lower, title, sentence, camel, or snake case.
Open tool →AaSlug Generator
Create clean URL-friendly slugs from titles and headings.
Open tool →AaMarkdown Preview
Write Markdown and preview a safe rendered version instantly.
Open tool →AaHTML Preview
Preview your HTML in a sandboxed browser frame.
Open tool →▧Image to Base64 Converter
Convert an image file to a Base64 data URL locally.
Open tool →▧SVG Optimizer
Clean common SVG editor metadata, comments, and extra whitespace.
Open tool →▧PDF Page Counter
Read a PDF file locally and estimate its page count without uploading it.
Open tool →%Aspect Ratio Calculator
Calculate a matching width or height while keeping an image ratio.
Open tool →%Random Number Generator
Generate one or many random whole numbers within a chosen range.
Open tool →Most tools process data and files entirely on your device.