All Online Tools

Browse all focused browser tools, developer utilities, document converters, calculators, and exam simulators.

Text utilities

Word & character counter

Instantly count words, characters, sentences and reading time.

Case converter

Switch between sentence, title, upper, lower and camel case.

Duplicate line remover

Remove repeated lines while preserving the original order.

Text compare

Compare two text blocks and inspect added, removed and unchanged words.

Markdown preview

Write Markdown and inspect a rendered preview side by side in your browser.

Privacy policy generator

Create an editable privacy policy starting draft for an indie app or micro-SaaS.

SRT subtitle to text converter

Strip SRT timestamps, cue numbers, and basic markup to create clean subtitle text locally.

GitHub README generator

Turn project details, features, installation, usage, and license inputs into polished README Markdown.

App release notes writer

Rephrase technical updates into concise, benefit-led app release notes in your browser.

YouTube timestamp chapters maker

Convert timestamped transcript lines into copy-pasteable YouTube chapter markers.

Complaint letter generator

Draft an editable, factual complaint letter with copy, PDF, DOCX, and text export.

Appeal letter generator

Structure a concise appeal draft around a decision, facts, and requested review.

Refund request letter

Create a clear refund request draft with transaction facts and desired resolution.

Cancellation letter generator

Prepare a cancellation request with service details, effective date, and confirmation request.

Chargeback letter generator

Organize a factual draft for a card-provider dispute while retaining your evidence trail.

Warranty claim letter

Draft an editable warranty claim with product facts, defect timeline, and requested remedy.

Demand letter generator

Prepare a factual demand-letter draft with a clear requested outcome and review safeguards.

Cease-and-desist letter generator

Build an editable notice draft that clearly identifies conduct and requested cessation.

Reference letter generator

Create a professional reference-letter draft from verified relationship and performance details.

Resignation letter generator

Draft a clear, professional resignation letter with an editable final working date.

Resume builder

Build an editable ATS-oriented resume locally with copy, PDF, DOCX, and text exports.

Cover-letter generator

Draft an editable, role-focused cover letter locally with copy, PDF, DOCX, and text exports.

Markdown to styled PDF document

Convert Markdown into clean, beautifully styled PDF documents with typography themes and instant download.

Transcript & subtitle cleaner

Clean raw AI transcripts, SRT, and VTT files by removing timestamps, speaker headers, and filler words.

Court Clerk Computer Typing Test (30 WPM)

Official 10-minute English typing test with real-time (Words - Mistakes)/10 speed calculation, legal judgments, and qualification certificate.

Developer tools

Password generator

Generate secure, customizable passwords locally in your browser.

UUID generator

Create standards-based UUIDs for development workflows.

Slug generator

Turn a title into a clean URL slug with clear normalization.

JSON formatter

Validate, format, minify and copy JSON without uploading it.

XML formatter

Indent XML for readable inspection and clean handoffs.

HTML formatter

Format HTML markup into a readable, consistently indented structure.

Base64 encoder & decoder

Encode ordinary text or decode Base64 values with clear errors.

Hash generator

Generate SHA hashes locally with the browser cryptography API.

JSON to TypeScript

Infer a readable TypeScript type from sample JSON without uploading the data.

JSON to Zod schema generator

Infer a clean Zod validation schema and TypeScript type from sample JSON locally in your browser.

JWT decoder & expiry visualizer

Decode JWT headers and claims locally, then inspect the exp claim with a live expiry countdown.

Webhook payload simulator

Validate a webhook JSON payload locally and copy a safe cURL request without sending network traffic.

Cron expression humanizer

Translate a five-field cron expression into plain English and calculate its next five run times.

CSV to JSON Schema generator

Infer a draft JSON Schema from a CSV header and sample rows without uploading the data.

Regex tester

Test regular-expression matches and flags directly in the browser.

URL parser

Inspect URL components and query parameters without visiting the link.

CSV to JSON

Turn spreadsheet-shaped CSV into clean JSON with local escaped-quote handling.

Sitemap checker

Inspect pasted sitemap XML for valid locations, duplicates, and last-modified coverage locally.

Link extractor

Extract, classify, and review links from pasted HTML without crawling or visiting a URL.

SERP preview

Design a clear search-result snippet with editable title, description, and display URL.

Google Play ASO analyzer

Audit Google Play listings with ASO scoring, keyword research, competitor benchmarks, and AI recommendations.

ASO keyword density & metadata optimizer

Analyze keyword density, word frequency, and official character counts for Google Play and App Store listings without keyword stuffing.

ASO & PPC keyword permutation generator

Multiply keyword lists, generate permutations, and format match types for Apple Search Ads (ASA), Google Ads, and iOS 100-character keyword fields.

IPv4 CIDR & subnet calculator

Calculate subnet masks, usable IP ranges, wildcard masks, broadcast addresses, and binary bit breakdowns.

JSON to YAML converter

Convert JSON objects and arrays into clean, indented YAML configuration markup locally in your browser.

Offline JWT debugger & inspector

Inspect JWT headers and claims completely offline with a real-time expiry visualizer and zero network tracking.

Image tools

Image resize

Resize an image by exact dimensions while retaining local control.

Image crop

Crop an image using exact position and size inputs.

Image compress

Reduce JPEG and WebP file size using a quality target you choose.

Image converter

Convert compatible browser image files to PNG, JPEG or WebP.

Image watermark

Add a text watermark with placement and opacity controls.

Remove image metadata

Create a fresh local image copy that omits ordinary file metadata before sharing.

SVG path simplifier

Reduce decimal noise and whitespace in SVG path data locally while preserving the original markup separately.

Social media OG image previewer

Preview title, description, image, and URL presentation across X, LinkedIn, and Facebook-style cards.

Favicon package generator

Convert a logo into common favicon and app-icon sizes with copy-ready HTML tags.

SVG to high-res PNG / JPG converter

Rasterize vector SVGs locally into crisp PNG or JPEG images with custom 1x–8x scale multipliers.

PDF tools

PDF merge

Combine compatible PDFs through protected request-local processing.

PDF split

Extract a chosen PDF page range through controlled request-local processing.

PDF rotate

Rotate selected PDF pages and download the adjusted document.

PDF compressor

Reduce visual PDF file size locally with selectable 100 KB, 250 KB, 500 KB, or 1 MB targets.

Sign PDF

Add a visible electronic signature to a PDF locally, without uploading your document or creating an account.

PDF to JPG

Convert PDF pages to high-quality JPG or PNG images locally with adjustable resolution.

Remove PDF pages

Delete selected pages from a PDF locally and download a new copy without uploading it.

Add PDF page numbers

Add visual page numbers to every PDF page locally with placement and numbering controls.

PDF page organizer & reorder

Visually reorder, rotate, and rearrange PDF pages locally and export the restructured document.

Merge PDF without server upload

Combine PDF files in your browser with zero remote file transfers, preserving strict confidential compliance.

HIPAA-safe in-browser PDF compressor

Reduce PDF document file size for patient records and legal portals with 100% client-side memory execution.

Extract & split PDF pages locally

Extract custom page ranges from large PDF documents in seconds without sending files to third parties.

AI writing

AI email writer

Draft clear emails with a chosen objective, tone and key details.

AI blog writer

Build an outline and a practical draft from a defined audience and topic.

AI SEO meta generator

Generate concise title and description alternatives for a supplied page brief.

AI FAQ generator

Create FAQ draft pairs grounded in the source details you provide.

JSON-LD schema markup generator

Generate LocalBusiness, Product, or FAQPage structured-data JSON-LD from a guided form.

Midjourney v6 prompt generator

Craft high-fidelity Midjourney prompts with aspect ratios (--ar), stylize parameters (--s), camera lens, and lighting presets.

FLUX.1 photorealistic prompt builder

Generate ultra-detailed text-to-image prompts tailored for FLUX.1 [dev] and [schnell] diffusion models.

B2B cold sales email generator

Draft high-converting B2B cold outreach emails with personalized hooks, value propositions, and low-friction CTAs.