Handy tools that run right in your browser
Convert images, generate passwords, and more — instantly. Your files never get uploaded, so everything stays private and fast.
🖼️ Image, media & files 13
Image Converter
HEIC → PNG/JPG, plus PNG ⇄ JPG ⇄ WEBP, resize & favicon.
→Image Resizer
Resize images to an exact pixel size — 16, 32, 64px icons & favicons. Fit, crop or stretch.
→Image Compressor
Shrink JPG/PNG/WebP with a live size preview.
→Image Cropper
Crop to square/circle + remove background.
→Image to Base64
Encode an image as a data URI.
→SVG to PNG
Rasterize SVG to PNG at any size.
→EXIF Viewer & Remover
See & strip photo metadata (GPS, camera).
→Color Converter
HEX ⇄ RGB ⇄ HSL with a live picker.
→PDF Editor
Read, edit, sign, annotate, merge & split PDFs.
→Audio Converter
Convert audio to MP3 or WAV — from M4A, OGG, FLAC, WAV & more.
→Video Converter
Convert MP4, MOV, MKV & more — to MP4, WebM, GIF or extract audio.
→Video Editor
Timeline editor — cut, add text, shapes & animations, export HD. In your browser.
→Vocal Remover
AI-split a song into vocals, instrumental, drums & bass — on your device.
→✍️ Text & writing 5
Case Converter
UPPER, lower, Title, camelCase & more.
→Word Counter
Words, characters & reading time.
→Lorem Ipsum Generator
Placeholder text for mockups.
→Diff Checker
Compare two texts line by line.
→Markdown Previewer
Live Markdown + HTML, CSS, JS & PHP playground — syntax highlighting & a big preview.
→🧑💻 Developer & data 10
JSON Formatter
Prettify, minify & validate JSON.
→CSV ⇄ JSON Converter
Convert CSV to JSON and back.
→YAML ⇄ JSON Converter
Convert YAML to JSON and back.
→SQL Formatter
Pretty-print and indent SQL.
→Regex Tester
Test regular expressions with live match highlighting.
→Base64 Encode/Decode
Text ⇄ Base64 in a click (UTF-8 safe).
→Number Base Converter
Binary ⇄ octal ⇄ decimal ⇄ hex.
→UUID Generator
Random v4 UUIDs, in bulk.
→JWT Decoder
Decode a JWT locally; verify HS256.
→Hash Generator
MD5, SHA-1, SHA-256 & SHA-512 of any text.
→🔐 Security & privacy 4
🌐 Network & web 3
🧮 Calculators 8
Age Calculator
Exact age & date difference.
→BMI Calculator
Body Mass Index & category.
→Loan / Mortgage Calculator
Monthly payment & total interest.
→Percentage Calculator
Percent of, is-what-%, % change.
→Discount & Tax Calculator
Final price after discount & tax.
→Bill Splitter & Tip
Split the check & calculate the tip per person.
→Buy & Trade Calculator
Resale cash & store-credit offers from your buy/trade %.
→Unit Converter
Length, weight, temperature & volume.
→📅 Time & everyday 4
📖 Guides 13
Why Toolkit runs entirely in your browser
No uploads, ever — how in-browser tools work, why that's safer, and how to verify it yourself.
PNG, JPG, WebP or HEIC? Choosing an image format
What each format is for, where each wins, and a simple decision guide.
What makes a password strong?
Entropy, length and why four random words beat P@ssw0rd-style tricks.
What your photos reveal: EXIF & GPS
The location and device data hiding in your pictures — and how to strip it before sharing.