Developer tools

JSON formatter online

JSON formatter online (json formatter). Free. Files and text stay on your device — Freela does not upload them.

JSON validator

JSON validator (json validator). Free. Files and text stay on your device — Freela does not upload them.

CSV to JSON converter

CSV to JSON converter. Convert CSV to JSON on this landing page. Free. Files and text stay on your device — Freela does not upload them.

Base64 encode decode

Base64 encode decode (base64). Free. Files and text stay on your device — Freela does not upload them.

URL encode decode

URL encode decode (url codec). Free. Files and text stay on your device — Freela does not upload them.

HTML entities encoder

HTML entities encoder (html entities). Free. Files and text stay on your device — Freela does not upload them.

UUID generator

UUID generator (uuid generator). Free. Files and text stay on your device — Freela does not upload them.

SHA hash generator

SHA hash generator (hash generator). Free. Files and text stay on your device — Freela does not upload them.

Regex tester online

Regex tester online (regex tester). Free. Files and text stay on your device — Freela does not upload them.

JWT decoder

JWT decoder (jwt decoder). Free. Files and text stay on your device — Freela does not upload them.

XML formatter

XML formatter (xml formatter). Free. Files and text stay on your device — Freela does not upload them.

YAML to JSON

YAML to JSON. Convert YAML to JSON on this landing page. Free. Files and text stay on your device — Freela does not upload them.

URL parser

URL parser (url parser). Free. Files and text stay on your device — Freela does not upload them.

Query string parser

Query string parser (query parser). Free. Files and text stay on your device — Freela does not upload them.

Excel XLSX to CSV

Excel XLSX to CSV. Convert XLSX to CSV on this landing page. Free. Files and text stay on your device — Freela does not upload them.

Cron expression generator

Cron expression generator (cron generator). Free. Files and text stay on your device — Freela does not upload them.

SQL formatter

SQL formatter (sql formatter). Free. Files and text stay on your device — Freela does not upload them.

JSON to YAML

JSON to YAML (json to yaml). Free. Files and text stay on your device — Freela does not upload them.

JSON keys

JSON keys (json keys). Free. Files and text stay on your device — Freela does not upload them.

JSON escape

JSON escape (json escape). Free. Files and text stay on your device — Freela does not upload them.

Hex encode

Hex encode (hex encode). Free. Files and text stay on your device — Freela does not upload them.

Hex decode

Hex decode (hex decode). Free. Files and text stay on your device — Freela does not upload them.

Binary encode

Binary encode (binary encode). Free. Files and text stay on your device — Freela does not upload them.

Decimal to binary

Decimal to binary (decimal binary). Free. Files and text stay on your device — Freela does not upload them.

UUID validate

UUID validate (uuid validate). Free. Files and text stay on your device — Freela does not upload them.

Cookie parser

Cookie parser (cookie parse). Free. Files and text stay on your device — Freela does not upload them.

MIME from extension

MIME from extension (mime guess). Free. Files and text stay on your device — Freela does not upload them.

File extension

File extension (file extension). Free. Files and text stay on your device — Freela does not upload them.

JSON to env

JSON to env (json env). Free. Files and text stay on your device — Freela does not upload them.

Env to JSON

Env to JSON (env json). Free. Files and text stay on your device — Freela does not upload them.

CRC32 checksum

CRC32 checksum (crc32 hash). Free. Files and text stay on your device — Freela does not upload them.

Levenshtein distance

Levenshtein distance (levenshtein). Free. Files and text stay on your device — Freela does not upload them.

Luhn check

Luhn check (luhn check). Free. Files and text stay on your device — Freela does not upload them.

HTML minify

HTML minify (html minify). Free. Files and text stay on your device — Freela does not upload them.

CSS minify

CSS minify (css minify). Free. Files and text stay on your device — Freela does not upload them.

Strip comments

Strip comments (strip comments). Free. Files and text stay on your device — Freela does not upload them.

Query builder

Query builder (query build). Free. Files and text stay on your device — Freela does not upload them.

Base64url encode

Base64url encode (base64url). Free. Files and text stay on your device — Freela does not upload them.

Hash a line

Hash a line (hash line). Free. Files and text stay on your device — Freela does not upload them.

Sort JSON keys

Sort JSON keys (json sort keys). Free. Files and text stay on your device — Freela does not upload them.

Flatten JSON

Flatten JSON (json flatten). Free. Files and text stay on your device — Freela does not upload them.

JSON array length

JSON array length (json array length). Free. Files and text stay on your device — Freela does not upload them.

Transpose CSV

Transpose CSV (csv transpose). Free. Files and text stay on your device — Freela does not upload them.

Pick CSV column

Pick CSV column (csv pick column). Free. Files and text stay on your device — Freela does not upload them.

CSV row count

CSV row count (csv row count). Free. Files and text stay on your device — Freela does not upload them.

CSV width check

CSV width check (csv width check). Free. Files and text stay on your device — Freela does not upload them.

NDJSON to array

NDJSON to array (ndjson to array). Free. Files and text stay on your device — Freela does not upload them.

Array to NDJSON

Array to NDJSON (array to ndjson). Free. Files and text stay on your device — Freela does not upload them.

TSV to CSV

TSV to CSV (tsv to csv). Free. Files and text stay on your device — Freela does not upload them.

XML escape

XML escape (xml escape). Free. Files and text stay on your device — Freela does not upload them.

HTML to Markdown

HTML to Markdown (html to markdown). Free. Files and text stay on your device — Freela does not upload them.

HTML tag balance

HTML tag balance (html tag balance). Free. Files and text stay on your device — Freela does not upload them.

Escape regex

Escape regex (regex escape). Free. Files and text stay on your device — Freela does not upload them.

Explain cron

Explain cron (cron explain). Free. Files and text stay on your device — Freela does not upload them.

Compare semver

Compare semver (semver compare). Free. Files and text stay on your device — Freela does not upload them.

Bump semver

Bump semver (semver bump). Free. Files and text stay on your device — Freela does not upload them.

Duplicate JSON keys

Duplicate JSON keys (json duplicate keys). Free. Files and text stay on your device — Freela does not upload them.

IPv4 to integer

IPv4 to integer (ipv4 to int). Free. Files and text stay on your device — Freela does not upload them.

Integer to IPv4

Integer to IPv4 (int to ipv4). Free. Files and text stay on your device — Freela does not upload them.

CIDR contains IP

CIDR contains IP (cidr contains). Free. Files and text stay on your device — Freela does not upload them.

Subnet info

Subnet info (subnet info). Free. Files and text stay on your device — Freela does not upload them.

Basic auth header

Basic auth header (basic auth header). Free. Files and text stay on your device — Freela does not upload them.

Binary to decimal

Binary to decimal (binary to decimal). Free. Files and text stay on your device — Freela does not upload them.

Hex to decimal

Hex to decimal (hex to decimal). Free. Files and text stay on your device — Freela does not upload them.

ULID validate

ULID validate (ulid validate). Free. Files and text stay on your device — Freela does not upload them.

Email syntax

Email syntax (email syntax). Free. Files and text stay on your device — Freela does not upload them.

IBAN checksum

IBAN checksum (iban check). Free. Files and text stay on your device — Freela does not upload them.

ISBN checksum

ISBN checksum (isbn check). Free. Files and text stay on your device — Freela does not upload them.

Validate cron

Validate cron (cron validate). Free. Files and text stay on your device — Freela does not upload them.

Validate IPv4

Validate IPv4 (ipv4 validate). Free. Files and text stay on your device — Freela does not upload them.

Validate IPv6

Validate IPv6 (ipv6 validate). Free. Files and text stay on your device — Freela does not upload them.

Validate semver

Validate semver (semver validate). Free. Files and text stay on your device — Freela does not upload them.

YAML top keys

YAML top keys (yaml top keys). Free. Files and text stay on your device — Freela does not upload them.

Quoted-printable

Quoted-printable (quoted printable). Free. Files and text stay on your device — Freela does not upload them.

Format MAC address

Format MAC address (mac format). Free. Files and text stay on your device — Freela does not upload them.