Free Online Tools for Images, PDF, Video, Text & More

# ToolBox > 311 free online tools for images, PDFs, video, audio, text, developer work and everyday calculations. Most tools run entirely in the browser, so files are processed on the user's own device and never uploaded to a server. ToolBox is a free, no-account utility site at https://www.500toolbox.com. There is no sign-up, no watermark, and no per-use limit. Tools that can run client-side do; the small number that need server processing (video encoding, some document conversions) use an ephemeral pipeline that deletes files after the task completes. ## Tool categories - [Image tools](https://www.500toolbox.com/tools/image): 41 tools - convert, resize, compress, crop, background removal, format conversion (PNG/JPG/WebP/HEIC/SVG), colour picking, and image-to-art generators. - [Developer tools](https://www.500toolbox.com/tools/developer): 40 tools - JSON/YAML/TOML/XML converters and formatters, Base64, JWT, hashing (MD5/SHA/BCrypt/Argon2), regex testing, CSS generators, API request building, DNS and HTTP header inspection. - [Games](https://www.500toolbox.com/tools/games): 36 browser games including chess against a Stockfish engine, Wordle, jigsaw puzzles and arcade classics. - [PDF tools](https://www.500toolbox.com/tools/pdf): 25 tools - merge, split, compress, rotate, reorder, watermark, page numbering, password protection and removal, e-signing, and conversion to and from Office formats and images. - [Calculators](https://www.500toolbox.com/tools/calculator): 20 tools - mortgage, compound interest, investment, BMI, BMR, tip, percentage, profit margin and salary tax (US, UK and five other countries). - [Web and SEO tools](https://www.500toolbox.com/tools/web): 18 tools - meta tag generation and analysis, Open Graph and Twitter card preview, sitemap and robots.txt generation, favicon checking, URL slug generation, website speed testing. - [Productivity tools](https://www.500toolbox.com/tools/productivity): 18 tools - notes, timers, pomodoro, mic