27 categories. Every card shows what people open most — click the card for the rest, or search for a tool by name.
26 tools · 3 groups
Find every difference between two files, down to the cell or word.
26 tools · 2 groups
Merge, split, reorder, rotate and remove pages.
24 tools · 2 groups
Turn images, Word, Excel, PowerPoint and HTML into PDF.
48 tools · 3 groups
Turn a PDF into images, Word, Excel, PowerPoint or text.
14 tools · 1 groups
Compress, repair, scan and make scanned pages searchable.
16 tools · 1 groups
Add text, numbers, watermarks and form fields, or crop pages.
10 tools · 1 groups
Protect, unlock, sign and permanently redact documents.
28 tools · 2 groups
Convert, merge, split and clean spreadsheets and data files.
129 tools · 12 groups Popular
Convert between formats, resize and compress pictures.
30 tools · 2 groups
Convert, cut, join, compress and clean up sound files.
40 tools · 3 groups
Compress, trim, convert and turn clips into GIFs.
223 tools · 20 groups Popular
Money, dates and health, worked out in the page.
230 tools · 18 groups Popular
Format, encode, hash, count and generate text as you type.
44 tools · 4 groups
Open any code or data file and see it rendered beside the source.
46 tools · 4 groups
Pick colours, build palettes and generate CSS with a live preview.
25 tools · 3 groups
Identify, hash, compare and unpack files without uploading them.
74 tools · 7 groups Popular
Work out dates, durations, working days and time zones.
41 tools · 4 groups
See what is inside a PDF: its fonts, links, metadata and standards.
47 tools · 4 groups
Hashes, keys, tokens and password checks, all made in your browser.
103 tools · 10 groups Popular
Validators, minifiers, encoders and testers for the code you write every day.
24 tools · 1 groups
Work out IP addresses and subnets in your browser.
57 tools · 6 groups
Check meta tags, structured data, robots.txt and sitemaps from markup you paste.
62 tools · 6 groups
Summarise, rewrite and draft text in your browser, with no account and no upload.
92 tools · 7 groups Popular
Make invoices, receipts and quotes, and work out the numbers behind them, in your browser.
29 tools · 3 groups
Character limits, thread splitting, chapters and creator earnings, worked out on your device.
40 tools · 4 groups
Format, build, convert and check queries across every major dialect.
67 tools · 8 groups
Length, weight, temperature, volume, area, speed, data and time.