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Every tool, in one list
60 free online tools grouped by the job they do. Nothing here needs an account, an install, or an email address. Jump to a category or search for what you came for.
Text & writing tools
Word & character counter
Live counts for words, characters, sentences, and paragraphs as you type.
Readability checker
Grade level, average sentence length, and the sentences dragging your score down.
Case converter
Sentence case, title case, upper, lower, and camel case in one click.
Text cleaner
Strip double spaces, stray line breaks, and pasted formatting from any block of text.
Duplicate line remover
Deduplicate a list and keep the original order.
Find and replace
Bulk replace across long text with optional whole-word matching.
Lorem ipsum generator
Placeholder paragraphs, sentences, or words at the length you need.
Reading time estimator
Minutes to read at slow, average, and fast speeds.
PDF tools
PDF compressor
Choose a target size and keep the text sharp enough to print.
Merge PDF
Combine files in the order you set, with drag-free numbered ordering.
Split PDF
Pull out a page range or split one file into single pages.
PDF to image
Export pages as PNG or JPG at the resolution you pick.
Image to PDF
Turn photos or scans into one PDF with margins and page size set.
Rotate & reorder pages
Fix sideways scans and move pages without a desktop editor.
Add page numbers
Number a document with a position, start value, and format.
Unlock a PDF you own
Remove an owner password you have the right to remove.
Image tools
Image resizer
Exact pixel size or aspect ratio, with quality preserved.
Image compressor
Cut file weight for the web without visible artefacts.
Crop & straighten
Trim to a ratio and fix a tilted horizon.
Format converter
JPG, PNG, WebP, and AVIF in both directions.
Background remover
Cut a subject out for a listing, avatar, or slide.
Favicon generator
Every size a browser asks for, from one square image.
Colour picker from image
Pull hex, RGB, and HSL values out of a photo.
Bulk rename & resize
Process a folder of images with one set of rules.
SEO & website tools
Meta tag checker
See the title, description, canonical, and Open Graph tags a page actually serves.
Search snippet preview
Check how a title and description truncate before you publish.
Heading structure audit
Find skipped levels and pages with more than one H1.
Keyword density counter
Term frequency across a page, with stop words filtered out.
Robots.txt tester
Confirm a path is crawlable before you wonder why it is not indexed.
Sitemap generator
Build an XML sitemap from a URL list or a crawl.
Broken link checker
Crawl a page and list every link returning an error.
Open Graph preview
See how a link renders when shared on social platforms.
Calculators
Loan EMI calculator
Monthly payment, total interest, and a full amortisation schedule.
Percentage calculator
Increase, decrease, difference, and reverse percentage in one place.
Age calculator
Exact age in years, months, and days, plus days to a next birthday.
Date difference
Working days or calendar days between two dates.
Grade & GPA calculator
Weighted grades and the mark you still need to hit a target.
Unit price comparison
Work out which pack size is actually cheaper.
Tip & bill split
Split a bill unevenly without arguing about the maths.
Compound interest
Growth over time with contributions and a chosen frequency.
Developer tools
JSON formatter & validator
Pretty print, minify, and see exactly where the syntax breaks.
Base64 encoder / decoder
Text and files in both directions.
URL encoder / decoder
Escape and unescape query strings safely.
Hash generator
MD5, SHA-1, SHA-256, and SHA-512 for text or a file.
QR code generator
Print-ready codes with size and error correction you control.
UUID generator
Version 4 identifiers, one or a thousand at a time.
Cron expression reader
Plain-English translation and the next five run times.
Regex tester
Match highlighting with a group breakdown as you type.
Research tools
Citation generator
APA, MLA, Chicago, and Harvard from a DOI, URL, or title.
Reference list formatter
Sort and format a messy bibliography to one style.
Similarity checker
Compare two documents and see the overlapping passages.
Summary generator
Condense a long source to key points with the original wording kept.
Note outliner
Turn scattered notes into a nested outline you can export.
DOI lookup
Resolve a DOI to full publication details.
Daily life tools
Unit converter
Length, weight, volume, temperature, area, and data.
Currency converter
Live rates with the last pair you used remembered.
Time zone planner
Find a meeting slot that works across three cities.
Pomodoro timer
Work and break intervals you can set and leave running.
Random picker
Draw a name, number, or team split fairly.
Password generator
Long, memorable or fully random, generated on your device.
Cannot find what you need?
Tell us the task you are trying to finish. Suggestions decide most of what gets built next.