Free online tools that work right in your browser
Compress images, convert HEIC and WebP, merge PDFs, format JSON, generate QR codes and more. No uploads, no sign-up, no watermarks — your files never leave your device.
🔒 Files never leave your device — everything runs in your browser.
Image tools
- Image CompressorCompress JPG, PNG and WebP images online for free. Quality slider, batch processing up to 20 files, everything runs locally in your browser.
- HEIC to JPG ConverterConvert HEIC and HEIF photos from iPhone to JPG or PNG online for free. Batch conversion, quality control, 100% private — files stay on your device.
- WebP to JPG ConverterConvert WebP to JPG or JPG to WebP online for free. Two-way converter with quality control, works locally in your browser — no uploads.
- PNG to JPG ConverterConvert PNG to JPG or JPG to PNG online for free. Quality control, white background for transparency, batch processing, no uploads.
- Resize ImageResize images online for free: set width, height or scale percent, keep aspect ratio, batch processing up to 20 files. Runs locally in your browser.
- Image to PDF ConverterConvert images to PDF online for free: combine JPG and PNG into one PDF, reorder pages, instant export. No uploads, no watermarks.
- Image to Base64 ConverterConvert image to Base64 or data URI and decode Base64 back to an image. Free online tool, works locally in your browser.
PDF tools
Developer tools
- JSON FormatterFree online JSON formatter, validator and minifier with tree view. Paste JSON, get instant formatting and precise error locations.
- Regex TesterFree online regex tester with live match highlighting, capture groups and flags. Paste a pattern and text — see matches instantly.
- Base64 Encode / DecodeFree online Base64 encoder and decoder for text and files with UTF-8 support. No uploads — runs in your browser.
- JWT DecoderFree online JWT decoder: view header, payload and signature, check token expiration. Works locally — safe for real tokens.
- Diff CheckerFree online diff checker: compare two texts line by line, added and removed lines highlighted. Runs locally in your browser.
- Timestamp ConverterFree online Unix timestamp converter: seconds and milliseconds to ISO 8601, UTC and local time — and back. Instant, works offline.
- Hash GeneratorFree online hash generator: MD5, SHA-1, SHA-256 and SHA-512 from text. Runs locally in your browser — nothing is sent anywhere.
Utilities
- Word CounterFree online word counter: words, characters with and without spaces, sentences, reading time and social media limits. Real-time, no sign-up.
- QR Code GeneratorFree QR code generator online: custom colors and size, PNG and SVG download, no watermarks. Works locally in your browser.
- Password GeneratorFree secure password generator: cryptographic randomness, adjustable length and character sets, entropy meter. Runs locally in your browser.
- Unit ConverterFree online unit converter: length, weight, temperature, volume and data sizes. Instant results, precise formulas, no sign-up.