Dev
Essential tools for developers: JSON, Base64, Hash, UUID.
Base64
Encode or decode text and files to Base64 instantly.
JSON Formatter
Format, validate and minify your JSON data cleanly.
Hash Generator
Generate MD5, SHA-1, SHA-256 or SHA-512 hashes from your text.
Word Counter
Count words, characters, sentences and reading time of your text.
Lorem Ipsum
Generate lorem ipsum placeholder text for your mockups.
URL Encoder
Encode or decode a URL or string to URL-safe format.
Text Diff
Compare two texts and visualize differences line by line.
Free, fast, private online tools
Every tool on this page is 100% free, mobile-ready, and runs in your browser — no account, no plugin, no watermark. Files are processed over HTTPS and automatically deleted one hour after upload. We chose FileSwiftly precisely because people should not need to create an account for a 5-second file operation.
Why use FileSwiftly
Files deleted in 1h
HTTPS upload, isolated storage, automatic purge after 60 minutes.
Lightning-fast
Most operations finish in under 10 seconds on server-side infrastructure.
No signup, no watermark
No email required, no account, and your output never carries a branding watermark.
Mobile-first
Every tool works on iOS and Android with the same features as desktop.
Common questions
Are these tools really free?
Yes — every tool is free, without signup or hidden quota. Infrastructure is funded by non-intrusive ads.
Is my file safe?
Uploads use TLS encryption, storage is isolated, and files are automatically deleted after 1 hour. No human reviews your content.
Do I need an account?
No account, no email, nothing required. Upload and download — that's it.
Does it work on mobile?
Yes, every tool is mobile-first and works on any modern browser.