All free online tools, running in your browser
The complete Tool Lab directory. Search by name, filter by category, open a tool and get your file back in seconds. Every tool runs locally — nothing is uploaded, no account is needed.
24 of 24 tools
Translation tools
Translate text and whole documents into 40+ languages. Two independent engines run in parallel so there’s always a fallback if one is unavailable.
Image tools
Compress, convert, cut out and read images. Batch input is supported everywhere, and originals are never modified.
Compress Image
Shrink JPG, PNG and WebP in batch with an adjustable quality slider. Download instantly.
Compress an image →Convert Image Format
Switch between JPG, PNG, WebP and more. Batch conversion supported in a single pass.
Convert a format →Extract Text from Image
Read text out of screenshots and scans, then copy it or download it as a file.
Extract text →PDF tools
Compress, split into images and merge PDFs without a page cap, a size cap or a watermark on the output.
Compress PDF
Choose your own compression level and trade size against quality exactly as you need.
Compress a PDF →PDF to Images
Export every page as an image. No page count cap, no size cap, no watermark.
Export pages →Image to PDF
Turn one or many images into a clean, watermark-free PDF ready to download.
Build a PDF →Merge PDF
Combine multiple PDFs into one document and reorder pages before you export.
Merge PDFs →Split PDF
Extract specific page ranges, cut every page into its own file, or fragment segmentation.
Split PDF →Straighten PDF
Auto-detect tilted scanned pages and rotate every one back level in a single click.
Straighten PDF →PDF to Word
Rebuild a PDF as an editable .docx with headings, lists and spacing kept intact.
Convert to Word →PDF Watermark
Add text or image watermarks to PDF files, and you can freely customize the styles.
Add a watermark → 📄PowerPoint to PDF
Compile PowerPoint decks into clean PDF documents. Full-page & lecture handouts, zero cloud upload.
Convent a PPT → 📊PDF to PowerPoint
Convert PDF pages into standalone PowerPoint slides. 16:9 & 4:3 ratios, no page limit, 100% private.
Convent a PDF →HTML tools
Write and preview markup side by side, with nothing to install and no project to set up first.
Video tools
Rich video processing tools, video cropping, compression, and interesting video rotation effects.
Compress Video
You can freely select the sizes of multiple levels to compress each video.
Compress a video →Video To GIF
You can select a segment from the video and convert it into an interesting GIF.
Convert an GIF →Extract Audio
Extract audio from videos, supporting multiple video formats.
Extract audio from video →Text & Data tools
Visualize comparisons and verification documents, count the number of words, convert case and encoding, and clean up messy data.
Developer Tools
JSON formatting/comparison, Base64, URL encoding/decoding, Cron generator, regular expression testing, UUID, timestamp conversion.
JSON Formatter & Validator
Paste messy JSON, get it back readable and syntax-highlighted — or minified for shipping.
JSON formatter & validator →YAML ↔ JSON ↔ CSV
Convert structured data across YAML, JSON, and CSV with deep nested flattening and zero cloud uploads.
YAML ↔ JSON ↔ CSV converter →JWT Decoder & Inspector
Inspect Base64URL-encoded tokens, convert Unix claims timestamps to human dates, and audit security flaws like the "none" algorithm exploit.
Decode JWT →Shipping next
Tool Lab is a directory that keeps growing. These categories are in progress — the order they land in is decided by what visitors ask for.
Design tools
Color picker / palette, gradient generator, Favicon generator, OG Image generator.
Privacy & Security tools
Password generation/strongness verification, file hash, local AES encryption/decryption, etc.
Request a tool
Missing something you use every week? Tell us what it is and it may be the next one built.
Send a request →Every tool here runs inside your browser
Files are read with the JavaScript File API and processed on your own device. There is no upload endpoint behind these tools, so nothing is transmitted, stored or watermarked.