All tools

Browse 92 free browser-based tools for text cleanup, calculators, developer utilities, PDF work, image editing, audio conversion, video conversion, invoices, student tasks and creator workflows.

Word Counter

Count words, characters, sentences, paragraphs and reading time.

Character Counter

Count characters with social media limits for Instagram, X, YouTube.

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase and more.

Remove Duplicate Lines

Strip duplicate lines from a list, optionally case sensitive.

Remove Extra Spaces

Collapse multiple spaces, trim lines and optionally drop blank lines.

Sort Lines

Sort lines alphabetically A→Z or Z→A.

Slug Generator

Turn any string into a clean URL slug.

Find and Replace

Replace all matches inside a block of text.

Extract Emails

Pull all unique email addresses out of a chunk of text.

Text Compare

Compare two texts and see line-by-line differences.

Percentage Calculator

Solve common percentage questions instantly.

Currency Converter

Convert money between supported currencies using the latest dated reference rate or a manual exchange rate.

GST Calculator (India)

Add or remove Indian GST at 0%, 5%, 12%, 18% or 28% and compare base, tax and total amounts.

EMI Calculator

Calculate monthly EMI, total interest and total payment for any loan.

Age Calculator

Find your exact age and days until your next birthday.

Date Difference Calculator

Get the difference between two dates in days, weeks, months or years.

Discount Calculator

See your savings and the final price after a discount.

Profit Margin Calculator

Get profit, profit % and margin % from cost and selling price.

SIP Calculator

Estimate the future value of a monthly SIP investment.

BMI Calculator

Compute Body Mass Index and see your category.

Fuel Cost Calculator

Work out how much a trip will cost in fuel.

JSON Formatter

Format, minify and validate JSON in your browser with readable output and clear syntax errors.

Developer Tools

JSON Validator

Check whether a JSON string is valid.

Developer Tools

Base64 Encoder/Decoder

Encode text to Base64 and decode it back.

Developer Tools

URL Encoder/Decoder

Percent-encode or decode URL query strings.

Developer Tools

UUID Generator

Generate one or many UUID v4 identifiers.

Developer Tools

Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Developer Tools

Hash Generator (SHA-256)

Generate a SHA-256 hash from any text using the Web Crypto API.

Developer Tools

Color Converter

Convert between HEX and RGB with a live preview.

Developer Tools

Regex Tester

Test JavaScript regular expressions with live matches.

Developer Tools

QR Code Generator

Generate a QR code for any URL or text, and download as PNG.

Developer Tools

Image Compressor

Compress JPG/PNG images in your browser with an adjustable quality slider.

Image Resizer

Resize any image to exact width and height, with aspect ratio lock.

Image to Base64

Convert an image into a Base64 data URL for embedding in HTML or CSS.

Image Converter

Convert images to JPG, PNG, WEBP, SVG, AVIF, GIF, BMP, TIFF and custom formats in your browser.

Image Background Eraser

Remove the full background around people, products and objects, preview new backgrounds, then download PNG.

Audio Converter

Convert audio between MP3, WAV, M4A, AAC, OGG, OPUS, FLAC and custom formats.

Audio Trimmer

Select, preview and loop an audio range live before downloading the trimmed WAV clip.

Video Converter

Convert videos between MP4, WEBM, MOV, MKV, AVI, GIF, MP3 audio and custom formats.

Video Background Eraser

Remove person video backgrounds with AI, smooth edges, and export WebM, MP4, MOV, MKV or GIF.

PDF Merger

Merge multiple PDF files into a single PDF with up/down ordering controls.

PDF Page Extractor

Extract specific pages from a PDF into a new file.

Images to PDF

Turn one or many JPG/PNG images into a single PDF.

Invoice Generator

Create a printable GST invoice with line items and totals — no signup.

Break-even Calculator

Find the units and revenue you need to cover your fixed costs.

Indian Currency Formatter

Format numbers in Indian rupees with lakh/crore grouping and words.

CGPA Calculator

Compute CGPA from subject credits and grades on the 10-point scale.

Attendance Calculator

See your current attendance % and how many classes you can bunk or must attend.

Marks Percentage Calculator

Convert scored marks into a percentage and letter grade.

Hashtag Generator

Search public Mastodon hashtag data, compare seven-day activity and build a ready-to-copy tag set.

YouTube Thumbnail Downloader

Download the thumbnail of any YouTube video in every resolution.

Instagram Caption Formatter

Keep line breaks in Instagram captions — no more collapsed paragraphs.

Sentence Counter

Count sentences and average words per sentence in any text.

Paragraph Counter

Count paragraphs and average words per paragraph.

Remove Line Breaks

Turn multi-line text into one clean line with a custom separator.

Text Joiner

Join one item per line using comma, space or any custom separator.

Extract URLs

Extract links from pasted text and remove duplicates if needed.

Tip Calculator

Calculate tip, total bill and per-person split instantly.

Simple Interest Calculator

Calculate simple interest and total amount from principal, rate and time.

Compound Interest Calculator

Estimate final amount and interest earned with compounding.

ROI Calculator

Calculate return on investment percentage and net gain.

Time Duration Calculator

Find the time difference between two times, including overnight shifts.

JSON Minifier

Minify JSON by removing extra whitespace after validating it.

Developer Tools

HTML Entity Encoder/Decoder

Encode or decode HTML entities like lt, gt, amp and quotes.

Developer Tools

JWT Decoder

Decode JWT header and payload in your browser without verification.

Developer Tools

URL Parser

Break a URL into protocol, hostname, path, query parameters and hash.

Developer Tools

UTM Builder

Build campaign URLs with UTM source, medium, campaign, term and content.

Developer Tools

Image Metadata Viewer

View image type, size and dimensions directly in your browser.

Grayscale Image

Convert any image to a black and white PNG.

Palette Extractor

Extract dominant colors from an uploaded image.

Image Watermark

Add a text watermark to an image and download it as PNG.

Base64 to Image

Convert a Base64 image string or data URL back into a downloadable image.

Audio Metadata Viewer

View audio duration, channels, sample rate and file size.

Audio Volume Changer

Increase or reduce audio volume and export a WAV file.

Audio Reverser

Reverse an audio file and download the result as WAV.

Video Metadata Viewer

View video duration, resolution and file size.

Video Thumbnail Extractor

Capture a PNG thumbnail from any point in a video.

Video Compressor

Reduce video size by choosing output resolution and bitrate.

PDF Page Counter

Count PDF pages and show basic file details.

PDF Metadata Viewer

View PDF title, author, creator, producer and dates where available.

Text to PDF

Create a clean PDF from plain text in your browser.

PDF to Images

Convert every PDF page into downloadable PNG or JPG images in your browser.

PDF to Text

Extract selectable text from PDF pages and download it as TXT.

Profit Calculator

Calculate profit, loss and percentage from cost and selling price.

Markup Calculator

Calculate selling price from cost price and markup percentage.

Unit Price Calculator

Compare price per kg, litre, piece or any custom unit.

Grade Calculator

Convert marks to percentage, grade and pass/fail status.

Prime Number Checker

Check if a number is prime and see its factors.

Multiplication Table Generator

Generate a multiplication table for any number and range.

YouTube Title Counter

Check YouTube title length against the 100-character limit.

Caption Character Counter

Compare caption length against Instagram, X, LinkedIn and YouTube limits.

Tweet/X Thread Splitter

Split long text into numbered X posts that fit the character limit.

Tool directory

How to choose a Toolsaly tool

Start with the input

Search by the thing you have: text, PDF, image, audio, video, invoice details, marks, links, JSON or a calculation value.

Check the output

Tool cards and pages explain whether the output is copied text, a downloadable file, a preview, a calculation, a table or a printable document.

Read the limits

Every tool page includes practical notes and FAQs so you know when browser limits, file size, source quality or professional verification matters.