# Free the Tools > Free, open-source tools that run entirely in the browser. Files are never uploaded: every page's Content Security Policy blocks connections to other servers. No sign-up, no ads, no tracking. A Sapience initiative (https://sapience.design), licensed AGPL-3.0. Machine-readable catalogue: https://freethetools.com/api/tools.json (schema: https://github.com/sapience-design/freethetools/blob/main/openapi.yaml). Source code: https://github.com/sapience-design/freethetools. ## PDF Compress, merge, split and convert PDFs in your browser. - [Compress PDF](https://freethetools.com/pdf/compress/): Make a PDF smaller for free, right in your browser. Files are never uploaded. Pick the quality, or keep only the first page. No sign-up. - Not built yet (open requests): Merge PDFs, Split PDF, Rotate Pages, Images to PDF, PDF to Images ## Images Resize, compress and convert photos without uploading them. - Not built yet (open requests): Compress Images, Resize Images, Convert Image Format, HEIC to JPG, Remove Photo Location ## Text Count, compare and transform text. - Not built yet (open requests): Word Counter, Text Diff, Case Converter ## Data Convert and tidy CSV and JSON. - Not built yet (open requests): CSV to JSON, JSON Formatter ## Developer Encoders, hashes, generators and other small utilities. - Not built yet (open requests): Base64, Hash Generator, QR Code Maker, UUID Generator ## Everyday Unit and time-zone converters and other daily helpers. - Not built yet (open requests): Unit Converter, Time Zone Converter ## Optional - [About](https://freethetools.com/about/): the pledge, who maintains the site, how tools are added - [Contributing](https://github.com/sapience-design/freethetools/blob/main/CONTRIBUTING.md): build a tool in about 30 minutes