107 free tools, no sign-up

Every tool you need, in your browser

Convert, compress, encode, generate and inspect. No accounts, no limits.

What this is

Ensure is a set of 107 small tools for the jobs that interrupt the actual work: converting a file, checking a colour, reading a timestamp, pulling one page out of a PDF. Each one is a single page that does one thing, with no step in between you and the result.

Your files stay with you

Images, audio, video and PDFs are processed by the browser itself. Nothing is uploaded, so there is no copy sitting on a server afterwards.

No account, no limits

No sign-up, no quota, no watermark and no trial. Open a tool, use it, close the tab.

Explained, not just done

Guides cover what these tools deal with, from image formats and cron fields to colour contrast and why a CSV opens wrong in Excel.

Popular tools

Convert text between camelCase, snake_case, kebab-case, Title Case and more.
Text
Compare two texts and highlight every added and removed line.
Text
Validate, beautify or minify JSON with clear error reporting.
Data & JSON
Encode text to Base64 and decode it back, with full Unicode support.
Encoding & Security
Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.
Encoding & Security
Cut the background out of an image and save it with transparency.
Image
Convert images between PNG, JPEG and WebP.
Image
Convert a color between HEX, RGB, HSL and CSS notation.
Color
Test a regular expression against sample text and inspect every match.
Web & Dev
Combine several PDF files into one document, in the order you choose.
PDF
Generate cryptographically random UUID v4 identifiers in bulk.
Generators
Generate strong random passwords with a live strength estimate.
Generators
Turn any text, URL or Wi-Fi credential into a downloadable QR code.
Generators

Everything in one place

All 107 tools, free and without an account.