Free online tools
Every tool here runs entirely in your browser — use them online like any web app, but your files never leave your device. No uploads, no sign-up. More tools are added over time.
PDF Tools
Compress, merge, split, edit and convert PDFs — all in your browser, nothing uploaded.
PDF Compressor
Shrink large PDFs — runs entirely in your browser, files never leave your machine.
PDF Editor
Add text, highlights, shapes and images; reorder, rotate or delete pages — all in your browser.
Merge PDF
Combine PDF files into one, with page reordering — files never leave your machine.
Split PDF
Extract pages, split by ranges, or save every page separately — all in your browser.
Anything to PDF
Turn Markdown, JSON, XML, YAML, CSV, HTML, plain text — or a stack of images — into a polished PDF, all in your browser.
Image Tools
Compress, convert and change image formats privately — your photos never leave your device.
Image Compressor
Shrink JPG, PNG and WebP images with a quality slider — compressed on your device, never uploaded.
Image Converter
Convert between PNG, JPG and WebP right in your browser — your images never leave your machine.
HEIC to JPG
Turn iPhone HEIC photos into universal JPGs — converts locally in your browser, nothing uploaded.
Developer Tools
Encode, decode, format and generate — JWT, QR codes, Base64, hashes and more, all in your browser.
QR Code Generator
Turn any URL or text into a downloadable QR code (PNG or SVG) — generated in your browser, nothing sent to a server.
JWT Decoder
Decode a JSON Web Token's header and payload, read its claims and expiry, and verify HS256 signatures — all in your browser.
Base64 Encode / Decode
Encode text to Base64 or decode it back, UTF-8 safe — runs entirely in your browser, nothing uploaded.
JSON Formatter
Beautify, minify and validate JSON with clear error messages — processed locally in your browser, never uploaded.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text — computed in your browser, nothing sent anywhere.
UUID Generator
Generate random version-4 UUIDs in bulk with one click — created locally in your browser, nothing uploaded.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in local, UTC and IST — all in your browser.
Need a tool we don’t have yet?
Tell us what to build next — describe the tool you need and we’ll add it to the list. Every request goes straight to our team. Or email us at contact@thekkelsoft.in.