Browse by Category
Explore our complete collection of browser-first tools organized by workflow and file type.
PDF Tools
Merge, split, compress, convert, and manipulate PDF files entirely in your browser.
25 tools🖼️Image Tools
Convert, resize, compress, crop, and edit images with powerful browser-based tools.
28 tools🎵Audio Tools
Trim, convert, merge, and process audio files locally with Web Audio API.
18 tools🎬Video Tools
Trim, convert, compress, and edit videos using WASM-powered FFmpeg in your browser.
16 tools📦File Conversion
Convert, archive, extract, and manage files with zero uploads.
22 tools✍️Text Tools
Format, transform, analyze, and clean text with powerful browser-based utilities.
22 tools💻Developer Tools
JWT decoder, JSON formatter, regex tester, and 25+ developer utilities.
28 tools🔐Security Tools
Password generators, encryption, hashing, and privacy tools — all client-side.
24 tools🧹Data Cleaning
Clean, deduplicate, transform, and analyze CSV and spreadsheet data.
18 tools⏱️Productivity
Timers, planners, checklists, and organizational tools to boost your workflow.
14 tools🌐Networking
DNS testers, latency tools, CORS playground, and web diagnostic utilities.
12 tools📚Education
Flashcards, unit converters, math renderers, and interactive learning tools.
10 tools🎨Design Tools
Typography scales, shadow generators, color tools, and UI helper utilities.
12 tools🗺️Maps & Geo
GPX viewers, coordinate converters, distance calculators, and geo utilities.
10 tools🔧Utilities
QR generators, clipboard cleaners, randomizers, and everyday tiny utilities.
12 tools🕵️Browser Privacy
Inspect browser storage, clean cookies, scan clipboard, and minimize fingerprints.
6 tools📑PDF Advanced
Password protect, unlock, convert to PDF/A, detect blanks, and extract highlights from PDFs.
6 tools🎞️Images & Visuals
HEIC conversion, EXIF batch rename, safe share packs, palette export, and animation optimization.
6 tools⚙️Dev Web Tooling
CSR/key tools, certificate chains, SRI hashes, HTML bundler, HAR analysis, and log de-minification.
6 tools📂Data & Docs
Extract text from DOCX/PPTX, OCR tables, parse invoices, guess CSV schemas, and anonymize PII.
6 toolsFeatured Tool Workflows
Start with pages that cover high-demand browser tasks across documents, images, data, developer work, and security.
Merge PDFs
PDF Tools
Combine multiple PDF files into one document with drag-and-drop reordering.
Compress PDF
PDF Tools
Reduce PDF file size with adjustable quality settings.
Image Format Converter
Image Tools
Convert images between PNG, JPG, WebP, and AVIF formats.
Compress Images
Image Tools
Compress images with target file size estimation.
JSON Formatter
Text Tools
Format, validate, and beautify JSON data.
JWT Decoder
Developer Tools
Decode and inspect JWT tokens entirely offline.
Password Generator
Security Tools
Generate strong passwords with customizable policy presets.
CSV Profiler
Data Cleaning
Profile CSV data: types, nulls, unique values, and statistics.
Invoice/Receipt Extractor
Data & Docs
Extract totals, dates, and merchant info from receipts — offline OCR optional.
Why TechRounder Tools?
Built for people who care about privacy and speed.
Browser-First Processing
Most document, image, text, and data tools keep the heavy lifting close to the source input instead of sending files through an extra server workflow.
No Accounts Required
Just open a tool and start using it. No sign-ups, no email verification, no passwords to remember.
Ultra Fast
Instant processing with no server round-trips. Static pages load in milliseconds with optimized Next.js delivery.
100% Free
Every single tool is completely free. No freemium tiers, no feature gates, no subscriptions.
Light & Dark Themes
Beautiful design that adapts to your preference with smooth transitions and accessible contrast.
Mobile-First
Every tool works beautifully on phones, tablets, and desktops with responsive design.
Transparent Runtime Rules
Pages explain whether a task is browser-side or whether a live networking check must contact the domain, provider, or endpoint you choose.
Focused Workflows
Each page is built around a specific outcome, so it is easier to find the exact workflow you need without navigating a crowded all-in-one interface.