Markdown converter and developer tools
32 tools, organized by category. Markdown conversion is the primary workspace for docs, READMEs, RAG pipelines and LLM context, followed by JSON, encoding, text, crypto, generators, color and time utilities.
All to Markdown
Convert local files and pasted content into Markdown with preview, copy and .md download controls.
No-upload workflow
Supported files are parsed in the browser, so document contents do not need to be uploaded to inbrowser.sh.
AI-ready Markdown
Prepare clean Markdown for documentation, knowledge bases, RAG ingestion and LLM context packaging.
Markdown
Convert files and preview Markdown locally.JSON
Format, convert and inspect JSON.Encoding
Base64, URL, HTML entities and more.Text
Case, diff, dedupe, transform.Crypto
Hashing and token tools — all in your browser.Generators
UUIDs, lorem, QR codes and more.- UUID GeneratorGenerate UUIDs, ULIDs and NanoIDs in bulk — locally and instantly.
- Mock Data GeneratorGenerate users, orders and product fixtures as JSON, CSV or SQL — locally in your browser.
- QR CodeGenerate QR codes for URLs, Wi-Fi credentials and text — fully offline.
- Lorem IpsumGenerate placeholder text by words, sentences or paragraphs.
Color
Convert and inspect color values.Web
Regex and other web helpers.Time
Timestamps, cron, time zones and date math.- Timestamp ConverterConvert Unix timestamps to human dates and back with local and UTC output.
- Timestamp NowSee the current Unix time in seconds, milliseconds, ISO and RFC formats.
- Cron ParserExplain cron expressions and estimate the next run times in your browser.
- Time Zone ConverterConvert meeting times between UTC, New York, London, Tokyo and more.
- Date DifferenceCalculate days, hours, minutes, weekends and rough business days between dates.
- Date CalculatorAdd or subtract days, weeks, months and years from a starting date.
- CountdownSee how long remains until a date and time in days, hours, minutes and seconds.
- ISO 8601 ConverterValidate and convert ISO 8601, local time, UTC and RFC 2822 strings.
- Discord TimestampGenerate Discord <t:...> timestamp tags for relative and localized times.
- Duration ConverterConvert seconds, minutes, hours, days and weeks with human-readable output.
- Week NumberFind the ISO week number, weekday and day-of-year for any date.
- Age CalculatorCalculate exact age and next birthday countdown from a birth date.
Developer time tools for timestamps, cron and time zones
The Time category is designed for common search and debugging tasks: convert Unix timestamps, get the current epoch time, explain cron expressions, compare time zones, calculate date differences, add or subtract dates, create countdowns, validate ISO 8601 strings, generate Discord timestamp tags, convert durations, find ISO week numbers and calculate ages or anniversaries.
These pages render crawlable definitions, examples, FAQs and related links in static HTML, while the interactive calculators run locally in the browser. Cron preset pages provide direct answers for schedules such as every 5 minutes, every weekday and monthly at 9 AM.
No-upload and offline intent pages
These focused pages explain privacy-oriented workflows for users searching for local, client-side, no-upload developer tools.
- JSON Formatter With No Upload
- Format JSON Locally in Your Browser
- Offline Base64 Decode
- Client-Side JWT Decoder
- Regex Tester With No Data Sent
- Offline Hash Generator
- JSON Validator With No Upload
- Base64 Encoder With No Upload
- URL Decoder With No Upload
- Local Unix Timestamp Converter
- Local Cron Expression Explainer
- HTML Escape With No Upload
- Spring Cron Expression Generator
- Quartz Cron Expression Generator
- AWS EventBridge Cron Generator
- Azure Functions Cron Generator
- GitHub Actions Cron Generator
- Kubernetes CronJob Schedule Generator
- UUID v7 Generator
- UUID v7 Generator for Postgres
- UUID v7 Generator for JavaScript
- ULID Generator
- NanoID Generator
- Test Data Generator Online
- Random CSV Generator
- SQL Insert Generator
- Sample JSON Generator
- Mock User Data Generator
- Mock Order Data Generator
Conversion quick references
Each reference page includes a concrete input, output, FAQ and link to the interactive browser-side tool.
- Base64 Encode Online
- Base64 Decode Online
- Base64 to Image
- Image to Base64
- String to Base64
- Decimal to Hex Converter
- Hex to Decimal Converter
- Binary to Decimal Converter
- Decimal to Binary Converter
- Hex to Binary Converter
- HEX to RGB Converter
- RGB to HEX Converter
- HEX to HSL Converter
- RGB to HSL Converter
- camelCase to snake_case Converter
- snake_case to camelCase Converter
- Text to Uppercase Converter
- Slugify Text Online
- SHA-256 Generator
- MD5 Generator
- SHA-1 Generator
- URL Encode Online
- URL Decode Online
- HTML Escape Online
- HTML Unescape Online
- Epoch to Date Converter
- Date to Epoch Converter
- Seconds to Hours Converter
- Minutes to Seconds Converter
- All to Markdown Converter
- HTML to Markdown Converter
- PDF to Markdown Converter
- DOCX to Markdown Converter
- Word to Markdown Converter
- PPTX to Markdown Converter
- PowerPoint to Markdown Converter
- XLSX to Markdown Table Converter
- Excel to Markdown Converter
- CSV to Markdown Table Converter
- JSON to Markdown Converter
- Notion to Markdown Converter
- Google Docs to Markdown Converter
- RTF to Markdown Converter
- RSS to Markdown Converter
- URL to Markdown Converter
- Webpage to Markdown Converter
- Image to Markdown OCR Workflow