345 free online tools
Find a tool by task, format, or name. Check its example and limits before working with PDFs, images, text, or data in your browser.
Explore tools
Excel to CSV
Choose an Excel worksheet and export it as CSV.
CSV to Excel
Make an Excel workbook from a CSV file.
JSON formatting workspace
Format or minify strict JSON, sort object keys, and encode or decode strings while preserving raw number tokens.
Regex tester
Try a pattern and see what it matches in your text.
Compare text
See what changed, side by side.
HTML formatter
Format HTML indentation so its structure is easier to read.
CSS formatter
Tidy the indentation and line breaks in your CSS.
JavaScript formatter
Format JavaScript without running it.
SQL formatter
Format PostgreSQL-style SQL indentation and keywords.
UUID generator
Generate UUIDs to copy or save.
Base64 encode / decode
Encode or decode a snippet in a click.
URL encode / decode
Make those encoded characters readable again.
HTML entities
Convert between HTML entities and readable characters.
Unicode escape
Convert Unicode escapes into readable text and back.
SHA-256 checksum
Calculate a SHA-256 checksum for text or a file.
Color converter
Same color. A different format.
Contrast checker
Check the contrast between text and background colors.
Gradient maker
Find a blend you love. Copy the CSS.
Palette and color mixing
Generate rule-based palettes or compare weighted RGB color mixtures.
CSS shadow and radius
Compose layered shadows with optional individual border-radius values.
QR code maker
Turn a link or a little text into a QR code.
UTM link builder
Add your campaign details without the guesswork.
Meta tags generator
Fill in page details and copy the resulting meta tags.
robots.txt generator
Build a robots.txt file from the crawl rules you choose.